正確深度 的英文怎麼說

中文拼音 [zhēngquèshēn]
正確深度 英文
correct depth
  • : 正名詞(正月) the first month of the lunar year; the first moon
  • : 形容詞1. (符合事實; 真實) true; reliable; authentic 2. (堅固; 堅定) firm
  • : Ⅰ形容詞1 (從上到下或從外到里的距離大) deep 2 (深奧) difficult; profound 3 (深刻; 深入) thor...
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • 正確 : exactness; correct; right; proper; rightness; rectitude; validity
  • 深度 : 1. (深淺程度) degree of depth; depth 2. (觸及事物本質的程度) profundity; depth
  1. Four aspects are summed up : construction of new plantation production system according to the market ' s demand ; formation of industrial advantage by developing region agriculture, scale management and specialized production level ; change from the direct trade to processing trade of agricultural products ; attaching great importance to barley production, thus promoting the development of feed processing and food industrial. in the fourth chapter, the dissertation poses some necessary measures of the adjustment and escalation of hubei rural industrial structure. it mainly includes : deepening the property right system reform of rural land ; blazing new trails in the system ; reforming the rural science and technology mamgement system ; enhancing macroscopic regulation ; carrying out the cities and towns strategy ; reconstructing the structure of the agricultural development according to the comparative advantage law

    第四章,提出了湖北農村產業結構調整升級的配套措施,主要包括:化農村土地產權制改革,促進農業生產要素合理流動與優化配置;實行制創新,促進農村資本市場發育,為農村產業結構調整升級提供資金保證;改革企業科技管理體制,用高新科技改造和武裝農業,為農村產業結構調整升級提供技術支撐;加強宏觀調控力,為農村產業結構調整升級提供導向和有力指導;實施城鎮化戰略,促進農村產業結構整體優化;搞好農業市場定位,按比較優勢原則,重構農業發展格局。
  2. The paper studies the surface geometry of globoidal indexing cam by applying the theory of conjugate surfaces and the method of coordinate transformation, presents the equations related to the main inducement curvature of the cam profiles, analysis and deduces the equations of two circumscription curves, which judge if the conjugate surface could mesh properly. some calculate examples and conclusion are given. the surface equation of the globoidal cam and conjugate equation are established

    論文首先在分析空間嚙合原理基礎上,採用坐標變換法推導出弧面分凸輪的工作廓面方程、嚙合方程和壓力角計算公式,對弧面分凸輪的嚙合特性進行了入的分析和研究,對判斷曲面能否嚙合的依據如兩類界限線方程以及誘導主曲率等進行推導,並給出算例。
  3. Study on the psychology and mental salvation of the urban vulnerable groups can help them know their problem that they are faced. it can help them take scientific and rational attitude to treat temporarily inextricable phenomenon and unable conquerable problem. it cannot bring on panic psychology

    對城市弱勢群體心態和心理救助進行研究,它有利於幫助人們認識所面臨的問題,對暫時無法解決的現象或者自己無法克服的問題採取比較科學和理性的態,不至於出現心理恐慌,同時得到更層次的心理需求。
  4. Eight aspects related to the study of early precambrian metamorphic stratigraphy are dealt with in this paper : general situation of the study ; complexity of the stratigraphy and difficulties of the study ; thoughts and methods of the study ; division of rock suite, rock group and complex rock ; researches on important regional discordances ; types and characteristics of protolith and recovery of palaeoenvironment ; correct differentiation of the metamorphic strata, ttg rock system and other metamorphic plutonic rocks ; determination of the ages of the metamorphic strata

    摘要主要論述了與早前寒武紀變質地層(學)有關的8個方面的問題:早前寒武紀變質地層的研究概況;早前寒武紀變質地層的復雜性和研究難;早前寒武紀變質地層研究的思路和工作方法;早前寒武紀變質巖石地層單位巖群、巖組和雜巖的劃分問題;重要區域性不整合的研究;鑒定變質地層的原巖類型、巖石性質和恢復古環境;區分變質地層和ttg巖系以及其他變質成巖;變質地層時代的定。
  5. After entry of wto, there are still many maladjustments in guangxi ' s seed industry, such as the weak foundation of sees industry development ; the unformed market of the seed industry for fair competition ; small - scale seed enterprises ; no systematic connection among the cultivation, breeding and marketing ; lower qualification of staff who work in the seed industry and with weak sense of laws, and lack of the knowledge in operating experiences in the international market and trade etc. yet the un - efficiency system, unclear property right in enterprises, the lack of an effective mechanism to promote the rational use of resources in the seed industry and the lack of such concept as " the government creates environment and enterprises create fortune " are the deep - seated causes of the problems in guangxi ' s seed industry. therefore, the key points for promoting development of guangxi ' s seed industry under the wto framework are to focus on the promotion of the developing capability of seeds " integrated products, constantly deepen reforms, to adjust various relevant factors in the system of the seed industry which is inconsistent with each other, and to establish a new - pattern system with evident characteristics of the time spirit in order to meet the requirements of the market economy. hereinto, the specific strategies and measures for promotion of guangxi ' s seed industry development under the wto framework include kee ping up reform and innovation of the system of the seed industry, executing of non - nationalization reform in state - owned seed enterprises, formulating and executing relevant supporting policies, the improving the legal system in the seed industry, increasing public financial support on the seed industry, promoting the integration of cultivation, breeding and marketing, strengthening human resource development, developing the main body of the seed industry ' s market and making proper conditions for the functions of seed associations in the seed industry development etc

    研究結果認為:發展種子產業應該把著眼點放在促進種子整體產品的開發上;種子產業的發展依賴于能充分發揮整體功能的新型種業體系的構建,而目前廣西種業體系中的品種選育、種子生產加工、種子經營以及政府管理、公共支持和社會服務六個主要組成部分都存在明顯的缺陷與不足;廣西種子企業綜合競爭力總體處于較弱水平;面對wto ,廣西種子產業仍有諸多的不適應,突出表現在產業發展基礎薄弱、尚未形成可以公平競爭的種業市場、種子企業規模小、育繁銷脫節、種業人才素質不高、種子企業法律意識淡薄、國際市場運作經驗和國際貿易知識不足等多個方面,而體制不順、企業產權不明晰、缺乏促進種業資源合理流動的有效機制以及「政府創造環境,企業創造財富」的理念是導致目前廣西種子產業不能適應入世需要的層次原因;因此,以提升種子整體產品開發能力為核心,不斷化改革,調整種業體系中不相協調的各有關因素,構建起符合市場經濟體制要求的具有鮮明時代特徵的新型種業體系,是wto框架下加快廣西種子產業發展必須堅持的指導思想;其中,加快種業體制改革和創新、實施對國有種子企業的非國有化改造、制訂落實有關扶持政策、完善種子法律法規體系、加大公共財政對種子產業的支持力、推進育繁銷一體化的形成、加強人才培養與引進、壯大種業市場主體、實行重點突破戰略、發揮種子行業協會作用等等,都是wto框架下加快廣西種子產業發展應該採取的具體對策措施。
  6. Disigning coolant channel on the firebox of liquid rocket engine to loxodrome ( equal - angle helix ) groove can improve firebox coolant capability greatly. because the width dimension of loxodrome groove is narrow and the depth is deep, some machining methods are incapable, such as end - milling or electrochemistry. according to the peculiarities, a cnc disk - cutter - milling method which is composed of five motion axes with four simultaneously interpolated ones is researched. because most firebox generatrix is composed of complex curves, it is very difficult to get cnc cutting program with manual means. in order to deal with the problem, the loxodrome mathematics model is studied, and an auto - programming software system is developed. the software system can generate cnc cutting program of loxodrome on many kinds of turned surface. the constriction - distension segment of firebox is the most representative workpiece. the sharp changing of its generatrix slope makes loxodrome milling difficult. with the theory analyzing and practice cutting experiment, some applied techniques, which include milling mode and direction, choosing cutter diameter and cutting start point setting, are developed. adopting the technology above, tens regular workpiece have been manufacturing. the two - year manufacture practice has confirmed the validity and feasibility of developed loxodrome coolant channel milling method. the developed technology is also worth to be referenced to other similar workpiece

    將液體火箭發動機燃燒室的冷卻通道設計為斜航線(等傾角螺旋線)槽形,可以大幅改善燃燒室的冷卻性能.斜航線冷卻槽的槽寬尺寸較小而槽尺寸較大,所以無法使用棒銑刀銑削、電化學等加工方式.針對這些特點,提出了五軸控制、四軸聯動的數控片銑刀銑削加工方法.由於燃燒室外表面的母線輪廓復雜,手工編制數控加工程序難大.為了解決數控加工程序的編制問題,研究了斜航線的數學模型,開發了自動編程軟體系統.使用該系統,可以生成多種母線輪廓回轉體外表面上的斜航線數控加工程序.燃燒室收斂-擴張段的母線斜率變化大,加工難大,是斜航線冷卻通道加工的最典型工件.經過理論分析和實際切削實驗,研究了針對該類型工件的片銑刀直徑選擇、銑削方式和方向、刀具調整和起刀點的設置等多項實際的加工方案.採用上述的一系列技術,已經成功地加工了數十個合格工件.經過兩年多的實際生產過程應用,驗證了所開發的斜航線冷卻通道加工方法的性和可行性.這些加工技術的研製成功,對其他相似類型零件的加工亦具有參考意義
  7. Based on consider hereinbefore, this dissertation discusses several aspects on the problem of the sustainable and optimum exploitation of groundwater resources as follows : ( 1 ) reviewed entirely the origin and evolvement of the concept " sustainable development ", stated and commented the study status in queue on " sustainable development " around national and international range, thorough discussed the science connotation about the concept " sustainable development " ; ( 2 ) looked back and commented across - the aboard some furthest basic concept and proposition related to groundwater resources, put forward self opinions on a few existent mistake points of view and chaos understandings ; ( 3 ) expatiated entirely on the content and meaning of the theory of changeable groundwater resources system, contrast with the traditional methods of groundwater resources calculation and evaluation, combined example to show the application of this theory ; ( 4 ) thorough analyzed the difficult and complexity to forecast the groundwater resources, fully stated the traditional methods of groundwater resources forecasting, pointed out the characteristic and applying condition of these forecasting method, introduced the main ideas and methods of wavelet analysis developed recently, and the matlab software be known as the fifths era computer language, and its accessory wavelet analysis toolbox, applied these methods and tools to analyze the groundwater dynamic curve, adopted the b - j method and morte - carlo method, combined with the theory of changeable groundwater resources system, discussed the new view on the forecast of groundwater resources ; ( 5 ) synthetically analyzed the characteristics and limitations of the present all kind of groundwater manage model, combined mathematical programming mathematical statistics random process and the theory of variation system of groundwater resources on the unite optimum attempter of surface water and groundwater, emphasized how to make the model more nicety, more simple, more practicality ; ( 6 ) analyzed the inside condition and outside condition to assure the sustainable and optimum exploi tation of groundwater resources, the inside conditions are the follows : correct resources idea, scientific methods of resources calculation and evaluation, credible forecast methods of resources, exercisable measures of resources management, the outside conditions are the follows : the development idea of high layer, the transform of manage system, the matched policy and rule of law, the adjusted of economy lever, the improve of cultural diathesis, the boosting up of water - saving consciousness and detail measures, the control of population rising, the prevention and cure of water pollute, the renew and rebuild of ecology ; ( 7 ) scan the sustainable and optimum exploitation of groundwater resources from the high level of metagalaxy, earth system science, and philosophy ; lint out the more directions on groundwater resources

    基於以上考慮,論文主要從以下幾方面對地下水資源可持續開發問題進行了比較入的探討:全面回顧了「可持續發展」概念的由來與演變,對國內外「可持續發展」的研究現狀進行了述評,並對「可持續發展」概念的科學內涵進行了入探討;對涉及地下水資源的一些最基本的概念和命題進行了全面的回顧和評述,對目前仍然存在的一些錯誤觀點和混亂認識提出了自己的見解;全面闡述了地下水資源變值系統理論的內容和意義,並與傳統的地下水資源計算評價方法進行了對比分析,結合實例具體說明了方法的應用;入分析了地下水資源預測預報工作的極端重要性和復雜性,對傳統的地下水資源動態預測方法進行了全面的評述,指出了各類預測預報方法的特點及適用條件,對最近二十多年剛發展起來的小波分析技術的主要思想和方法及其應用范圍,以及號稱第五代計算機語言的matlab軟體和附帶的小波分析工具箱進行了介紹,並應用於地下水動態過程線的分析,採用時間序列中的b ? j法,蒙特卡羅方法,與地下水資源變值系統理論相結合,探討了地下水動態資料分析和地下水資源預測預報的新思路;綜合分析了現今各類地下水管理模型的特點及缺陷,將數學規劃、數理統計、隨機過程等與地下水變值系統理論相結合進行地表水地下水或多水源的聯合優化調,使模型更準、更實用;對保證地下水資源可持續開發的內部條件和外部條件進行了分析,內部河海人學博卜學位論文前言、摘要、目錄條件主要是的資源觀,科學的資源計算與評價方法,可靠的資源預測預報技術,可操作的資源管理措施,外部條件主要是高層發展思路、管理體制的變革、配套的政策法規、經濟杠桿的調節、人文素質的提高、節水意識的增強及具體節水措施、人口增長的控制、水體污染的防治、生態的恢復和重建等;從宇宙科學、地球系統科學及哲學的高審視地下水資源的可持續開發;指出了地下水資源可持續開發的進一步研究方向。
  8. Third : carve out channel, using extracurricular action to solve environmental problem, chemistry extracurricular action is use environmental chemistry and green action a main carrier, the goal is improve students environmental consciousness, establish right environmental valuable, concept and attitude, consolidate students habits of environmental action, foster students craftsmanship which is how to solve environmental problem, and the trait is fit for environmental trait and need of the epoch development, bring into play students initiation plenitude, enhance students " entirety of diathesis, the students none but go deep into the society practice, join many kinds of exercise actively, they can get clear experience, realize the importance of the protect environment, on the other hand, they can study the knowledge about environmental chemistry, develop craftsmanship about protect environment, improve the students " ability of using the knowledge to solve actual environmental problem

    三、拓寬渠道,利用課外活動參與解決環境問題。化學課外活動是以環境化學和綠色行動為主要載體,以充分提高學生的環境意識、樹立的環境價值觀與態、強化學生的環境行為習慣、培養學生參與解決環境問題的技能為目標,以最新的現代環境知識、環境觀念和學生的直接經驗為主要內容,以適應當地環境特點和時代發展需要,充分發揮學生的主體性、發展學生的全面整體素質。學生只有入社會實踐,積極參加各種活動課,在活動中一方面獲得真切的感受,體會到環境保護的重要性,另一方面可使學生較好掌握環境化學有關知識,發展環保技能,提高學生靈活運用知識初步解決實際環境問題的能力。
  9. Both as the important applicative techniques of data warehouse, olap and data mining have notable differences. olap offers user a view of all angles in order to study the data deeply ; however, data mining analyzes the collecting data automatically, makes the including ratiocination and then helps the decision maker to adjust the strategy and to reduce the risk and gain the correct decision

    Olap和數據挖掘技術作為數據倉庫的兩項重要應用技術有所不同: olap技術可以為用戶提供多角、快速、直觀的視圖,以便入觀察數據;而數據挖掘技術高自動化地分析企業收集的數據,做出歸納性的推理,從而幫助決策者調整策略,減少風險,做出的決策。
  10. In this thesis hydraulic experimental studies and theoretical analyses on the vortex - flow drop shaft were conduced and the following results were accomplished : ( 1 ) in the model test some hydraulic characteristics including the shape of air core in the center of the drop shaft, the radial distribution of water flow velocity and the distribution of pressure on the wall of the drop shaft were measured under the condition of high water head above 250m and large discharge above 1400m3 / s. ( 2 ) a kind of computational method for the spiral water flow in the air core region of drop shaft was discussed and applied and the results agree the experimental data well. ( 3 ) the total ratio of energy dissipation in the drop shaft can reach 90 % and the energy dissipation in every region was discussed quantitatively

    本文通過試驗研究與理論分析對旋流式豎井泄洪洞應用於高水頭、大泄流量情況時存在的一些水力學問題進行了研究和探討,取得以下主要成果:一、結合小灣工程導流洞改建,對高水頭( 252m ) 、大泄流量( 1400m ~ 3 s )條件下旋流式豎井中的水流運動特徵進行了比較全面的測量,包括空腔形態、徑向流速分佈及井壁壓強等;二、提出了豎井空腔段螺旋水流水力計算方法,其計算結果與實測值吻合良好;三、利用試驗與計算結果,對旋流式豎井的消能機理進行了探討,對豎井各部分的消能能力有了總體認識;四、對豎井下部消力井的合理井進行了優化試驗研究,發現消力井合理為0 . 9d左右;五、通過試驗研究,歸納出豎井水流總摻氣量估算方法,為導流洞排氣方案的設計提供了參考依據;六、在高水頭、大流量條件下,豎井空腔段下部流速很高,盡管水流螺旋運動引起的離心力可以保井壁壓強保持壓,但空化數依然較低,因此豎井的空化空蝕始終是工程界關注的重大問題。
  11. By taking advantages of epipolar line features and depth discontinuities in reference 中國科學院 軟件 研究所 博士 學位 論文 基于 圖 象 的 快速 繪制 技術 的 研究 images , an efficient inverse wmping algorithm is pfoposed in chapter 3 for gcnerating nagcs of novel views by combining multiple eference images 帆 enhm different vie 呷 oints because continuous segnents determi 。 d by pairs ofedge pixels at co 。 spending epipolar lines are order kept , only pairs of edge pixels in the reference 渝 明 e e necess 叨 口 cowute to obtain generalized disparity of all points in the desired image as a result , sighficant acceleraion could be made in the endering pfo 比 鴕 two accelerating techiq 此 s e presented in this algori 山 mb accelerate the hole illing process his algorithm extends the reference images rom projection of single col : ii ’ ected surface in previously developed nvnverse w 出 下 er to ima 驢 s captured rom complex scene in chapter 4 , an 《 dent ibr method is prese 庇 仙 y takn ull 訕 antage of 呷 bies c 咖 the method can simulate the 3d details on sllri : ace of object successfully he 。 叩 proach , called rered ature mopmp consists of two pans at fst , an origi 。 ltexture with orthogonal displacements per pixel is deco 啊 osed into a series of new t6 刀 mfcs with each 他 lug a given displacement per pixel , called ae , ea atures , or lt hen hese lt e used to render the novel view by conventional texture mapping d avoid gaps n the endered hlla 驢 , some phels are to be interpolated nd extended in the 廠 kaccoding to the depth differe eee between two neighbor pixels in the original texture as these ltlt fc … e much storage nd therefore much time is equired to install ltlt into the text ’ ufc buffec an 舊 thod is pfoposed to co 呷 fcss the ltlt , nd the cottcspondingfclldering method is given experimental esults show that the new method is efficient , especially n rendering those objects with a smaller depth rnge compared withtheir size , such as relief surfaces of building

    與己有的三維變換方法相比較,該方法不但成功地填補了由於投影區域擴張而產生的第一類空洞,而且成功地填補了由於空間非連續物體相互遮擋而產生的第二類空洞,從而方便地實現了虛擬環境中的漫遊;基於物體表面的連續性,本文提出了一個位移預測方法? ?此方法可以從單幅參考圖象獲得逆映射過程中所需要的目標圖象的位移信息,從而大大提高了演算法的效率:與通常的向映射演算法相比,此演算法克服了多幅參考圖象所帶來的計算量成倍增長等問題,而且誤差較小。 2 )基於極線幾何的快速逆映射演算法。利用參考圖象的邊界信息與隱含的遮擋關系,以及極線幾何的性質,本文第三章提出了一個基於極線幾何的快速3 『一中國科學院軟體研究所博士學位論文基於圖象的快速繪制技術的研究逆映射演算法,從多幅參考圖象精合成當前視點目標圖象。
  12. At first, the general theory of synthesis angular acceleration and velocity with linear accelerometers is researched and proved in this paper. on the foundation of analyzing the applied barrier in platform stabilized system of angular locomotion, a new method that changes the installation structure from alterable space into plane, is put forward to solve the problems, so that the application of this theory in moep becomes possible

    本文首先對線加速合成角速、角加速的一般理論進行了研究,從理論上證明這一方法的性,為進一步入研究奠定了理論基礎;在此基礎上,本文分析了角運動合成一般方法在平臺穩定系統中應用存在的困難,在此基礎上提出了一種改進方法;這種方法的特點是變空間結構的安裝方式為平面結構,使角運動合成理論在工程實踐中應用成為可能。
  13. However, there are many conflicts between the system of right of subrogation established in contract law of china and the traditional theory of right of subrogation from other countries. on the other hand, the content of this legal system is too abstract in contract law of china. so there are many inconsistency upon understanding and applying

    我國合同法債權人代位權制與傳統代位權理論存在某些沖突,同時,由於合同法對該制的概括規定,使得該制在實際應用中有許多理解不一之處,如何理解和執行該制,值得法律工作者進行入探討。
  14. For the reasons of accumulated soils and sands and the amount of precipitation, the volume in the reservoir is dynamic. if the volume in the reservoir is not dispatched correctly, it will result in the overflowing of the dam bank of the reservoir, even in the collapsing of the darn

    庫容又是水庫調不可忽視的問題,而庫容又與水庫的橫、縱斷面、水位、水有關,由於泥沙淤積、降水量多少等原因,水庫水量是動態的,不對水庫水量調,會在大洪水時,造成水庫堤壩漫溢甚至垮壩。
  15. ( 1 ) to follow the rule of exchange on equal value, and attach importance to the role of value law ; ( 2 ) to strengthen the basic status of agriculture and keep the form of system of ownership stable in the countryside. ( 3 ) to deal with the relation of accumulation and consumption correctly, strengthen economic construction and raise the level of citizen life. ( 4 ) to renew and perfect rational rules, and carry out the rule of being paid for his work done

    劉少奇勇於面對現實,運用馬克思主義基本原理,入分析我國的國情和建設現狀,提出了許多富有獨到見解的理論觀點:嚴格遵循等價交換原則,重視價值規律作用;加強農業的基礎地位,保持農村的所有制形式相對穩定;處理積累與消費的關系,加強經濟建設、提高人民生活水平;恢復和健全合理規章制,貫徹按勞分配原則;施行經濟核算,改革企業經營管理;改革流通體制,疏通流通渠道;改革工業管理體制,試辦托拉斯。
  16. With the development of automobile industry and road transportation , the traffic accidents happen every day in the world and become a serious society problem the vehicle collision accidents are over 2 / 3 times as much as all traffic accidents they cause a large amount of social infuence and serious economic loss therefore , it is urgent to study vehicle collision accidents comprehensively and systematically , and the research also is the academic foundation to analyze and deal with traffic accident it is difficult to authenticate car velocity after traffic accident to dig over locate witness is right way mechanics is avaid tool in this field it is important to establish math model and this is precondition to calculate vehicle velocity firstly on the basis of summarizing the research results , this paper deeply discusses the calculating model to analyze the instantaneous motion state in the vehicle collision, the interrelation among the every moving mechanics parameters in the every phase of the collision secondly , according to the collinear collision and two - dimension collision and the restitution coefficient , the paper estabishesthe post collision movement models it proves that these models are correct and valid thirdly , this paper try to research reconstruction of road traffic accident and put forward the method on it

    對交通事故的科學分析應是建立在的數學模型與計算機模擬技術基礎上的定量分析,其基本條件就是要有能描述事故過程中汽車狀態的數學模型,只有建立的數學模型,才能較準地推定事故車輛的碰撞速。所以建立地車輛碰撞模型和運動模型是汽車事故再現的關鍵問題。本文首先在總結前人研究的基礎上,入地研究汽車碰撞理論,分析了車對車碰撞作用瞬間狀態的計算模型及碰撞恢復系數與碰撞前、后速的關系;其次,根據交通事故中最普遍的一維和二維碰撞的不同情況,採用恢復系數和滑動摩擦系數等概念,分別建立了碰撞后車輛動力學模型;第三,對汽車碰撞事故再現進行了初步研究,定了車對車碰撞事故模擬計算和反推計算方法,並給出相應的模擬程序流程圖。
  17. While the correct answer rates for the harm of drug abuse and correct attitude rates towards ban on drug use were rather high, there were still a considerable proportion of students did not consider it necessary to be far away from illegal drug, did not hate the illegal drug traders, did not regard illegal drug traffic as a crime, dared not to expose illegal drug trader, even had had drug themselves

    對毒品危害答對率及對禁毒態回答率雖不低,但入分析仍有3 . 09 %沒有認識到必須遠離毒品, 2 . 18 %不認為販毒是犯罪行為, 4 . 43 %對毒販不憎恨, 10 . 13 %不敢舉報販毒者, 6 . 07 %對偷種罌栗犯法缺乏認識,有2名學生服過「冰毒」 , 7名學生曾被朋友勸說吸毒。
  18. By the way of stress analysis of bank slope, the positions of different laying depths are found, where the stress state is close to that of semi - infinite plane. then the shape of stress slack zone can be confirmed to acquire the safe rule of laying foundation for bridge design. and the engineering applications prove its correctness

    本文通過岸坡應力分析法,找到不同下基礎附近應力接近半無限平面(即消除岸坡邊界影響)的位置,從而定應力鬆弛帶形態,為橋梁設計提供基礎安全埋置準則,而工程應用結果也驗證了該方法的性。
  19. As key words in many sci - tech research papers are too common to reflect the major ideas of the paper, this article discusses the correct approach to key words indexing

    本文指出了目前科技論文關鍵詞標引中存在不能準反映論文的主題內容、通用詞使用偏多、標引偏低等問題,提出了關鍵詞標引的方法。
  20. We seed them through the core at locations accurate to the inch

    把它們埋在核心的正確深度
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