theory front 中文意思是什麼

theory front 解釋
理論前沿
  • theory : n. 1. 理論,學理,原理。2. 學說,論說 (opp. hypothesis)。3. 推測,揣度。4. 〈口語〉見解,意見。
  • front : n 1 前部,前面;正面;(劇場的)正面[前面]座位〈也可指全部觀眾席位〉 (opp back rear)。2 【軍事...
  1. In the study of the lumber carrier, one of the very important problem is the in spot and ultimate station due to flooding which will bring tremendous threat to the ship because of the few holds in order to study the lumber carrier buoyancy, stability and longitudinal strength under the condition of flooding, the paper adopt fundamental ship principle and iterative and accumulative concept on the basis of insumersibility theory to detailedly calculate the flooding speed flooding amount front draft after draft stability and longitudinal strength considering the ship " s sinking and inclination which will change the center of gravity and the loading station both in hold and on deck and the effect of flooding and lumber amount in holdo in the last, the paper introduces an example of the actual ship named " fei yun ling " and makes a contrast between not taking measure and taking measure which draws a reasonable conclusion and comes up to some advice the method avoids the cockamamie calculating while insures enough precision the paper draws a conclusion that not all the lumber carrier will submerge when suffering the damaged flooding if the loading or measure is suitable

    為了研究運木船舶在破艙狀態下的浮性、穩性和強度,本文在抗沉性理論的基礎上,運用船舶基本原理,採用了迭代和累計的思想,將船舶的進水過程劃分為很多次進水的積累,詳細計算了運木船在破艙進水的過程中,考慮到各種破艙參數、船舶本身的下沉、艙室內木材、甲板貨的裝載情況和在進水過程中船舶本身的傾斜對進水重心的影響,以及艙室內的進水量和木材對破口處進水速度的影響,船舶總的進水速度、進水量、首尾吃水、穩性的實時狀態和最終船舶的總縱強度,給出了計算實例,並進行了在採取用泵抽水前後浮態參數的對比,得出了該船舶在艙室內的貨物積載量達到某個數值時可以保證船舶在破艙進水時不會沉沒,或者在當開口小於某數值時,採取適當的措施后,可以使船舶避免沉沒。
  2. On the base of these theory calculations, we passivated the front - surface both of different surface doping concentration solar cells by a thin layer of thermally grown sio2. the results show that the in heavy surface doping concentration cell is lower compared to the cell in light surface doping concentration. the majority of improvement in comes from the emitter surface passivation

    接著採用sio2作為鈍化膜,從實驗上比較了在不同表面濃度下單晶硅太陽電池的鈍化效果,結果表明在高表面濃度下其開路電壓比低表面濃度下的開路電壓低,這開路電壓的提高主要來源於降低了前表面復合。
  3. According to the feasible design domain theory in vehicte passive suspension, this paper gives designing object & method of outer performance of motorcycle suspension shock absorber. we calculate and evaluate the position in feasible domain in passive suspension of six kinds of motorcycle front & rear suspension ( hk250b, gn125, jh125, jh125l, dy100, jh70 ). we also provide the rule of feasible design domain of motorcycte frout & rear suspension

    該文根據車輛被動懸架可行設計區理論,對摩托車前、后懸架減振器外特性設計目標和方法進行分析,評價了hk250b , gn125 , jh125 , jh125l , dy100 , jh70等六種摩托車前、后懸架在被動懸架可行設計區的位置,提出了摩托車前、后懸架可行設計原則
  4. In this paper, firstly, the mechanism of laser plasma shock wave ' s form, the basic formula of the theory of shock wave, the state equation of the shock wave in the water and the relation of the parameters of the shock front are studied

    本文首先討論了激光等離子體沖擊波的形成機理、沖擊波理論的基本關系式、水中沖擊波的狀態方程模型以及沖擊波波前參數的關系。
  5. Second, carried out the fatigue life test of the truck ' s front axles adopted grouping fatigue life test method, calculated the results on theory of probability stats, linear fitted the fatigue life data by means of the basquin equation and least squares method, acquired the mathematical model of s - n and p - s - n curve of the front axles

    其次,採用成組試驗法,對汽車前橋進行了疲勞壽命試驗,藉助概率統計方法對試驗結果進行了分析計算,得到了各試驗載荷下的疲勞壽命的正態分佈的均值和標準差,採用basquin關系式和最小二乘法對疲勞壽命數據進行線性擬合,得到了前橋的s - n和p - s - n的關系。
  6. This instructional design draws its model and principle from a variety of disciplines : learning theory, systems theory, communications theory, and instructional theory. its major content involves the following component : front - end analysis, clarifying instructional objective, writing evaluation test questions, designing instructional strategy, writing instructional solution, formative evaluation of systematic instructional design, and revising instruction

    這種教學設計是以學習理論、系統論、傳播理論和教學理論為基礎,運用系統方法進行教學設計的理論和模式架構;系統教學設計的基本內容包括前期分析,教學目標的闡明和評價試題的編制,教學策略的設計,教學設計方案的編制,系統教學設計的形成性評價,修改教學;最後,構建了以上述內容為要素的系統教學設計模式。
  7. Zhou enai paid much attention to the party ' s united frond work, who was entitled to " the first model of united work ", what ' s more, he enriched the mao ' s united front thought deeply in theory

    早在旅歐時期,他就接受了馬克思的暴力革命思想,而且根據中國的實際惰況,較早認識到武裝斗爭和革命軍隊在中國革命斗爭中的極端重要性。
  8. This article is trying to prove the necessities of establishing the widest patriotic united front of the new period from four aspects of theory, history, reality and its own characteristics

    要建設好新時期最廣泛的愛國統一戰線,需要我們從理論、歷史、現實以及統一戰線的自身特點四個方面來認識。
  9. Further more, with the reference of testing information, the paper analyzed the traveler construction technique, obtained the guy rope stress and the front - end bottom mark of traveler for each step. using fem theory and large general - purpose program ansys, the paper discussed the cable - stayed bridge space stress characteristic and the relationship between several main design parameters

    以此為基礎,參照試驗資料,詳細分析了斜拉橋施工中掛籃的施工工藝,及其各個狀態下的受力情況,得出在各個階段掛籃牽索的索力值及掛籃前端各個工況的主梁底立模標高。
  10. It founds natural heightening theory for warping dams and puts forward specific way of diversion, measures for preventing dam eroded and design for energy dissipation and flood storage of cofferdams and sedimentation and dewatering through exploration and study on deposition in front of natural formed dam and the techniques of building dam through hydraulic filling

    通過對天然聚湫壩體前的淤積和「水力沖填」築壩技術的探索和研究,創立了淤地壩壩體自然加高的理論,並提出了具體的導流方式、壩體防沖措施及圍堰消能蓄洪、留淤脫水設計。
  11. Our party ' s theory of the united front in the new century

    新世紀黨的統一戰線論
  12. Barrier cracks cannot stop the extending of a fracture, and the strength of the sample is reduced by almost one magnitude because of the existing barrier cracks. there are great differences of ae distribution between specimens with non - penetrate crack and specimens with penetrate crack. as for penetrate crack, ae occurs near the two end of the crack, and for non - penetrate crack, crack, ae occurs near the two end of the crack, and for non - penetrate crack, ae occurs near the front edge of crack, which can be explained well by the theory of 3 - d fracture ; ae distribution near the outer part of collinear crack is similar with that of the end of penetrate crack, and inner part of collinear cracks will run - through with high loads

    關于預制裂紋系對巖石破裂的影響,集中討論了:空障礙體構造不能阻止主裂紋的擴展,反而會使巖石的破裂強度降低近一個量級;由於構造的不同,非穿透切口樣品和穿透切口樣品的聲發射空間分佈特點有本質區別,穿透切口樣品的微破裂在切口兩端發育,而非穿透切口樣品的微破裂在切口兩端之間切口前緣處發育,這用三維破裂理論可以很好地解釋;含共線構造的巖石,裂紋外端的聲發射分佈與單裂紋構造中裂紋端部的聲發射分佈相似,裂紋內端聲發射有密集分佈,在應力達到一定水平時,內端部發生錯斷,而不是貫通。
  13. Through experiments and deep research of theory, certain law of a successive influence from the stopper front shape to contact area, to cutting quality till workpiece quality has been discovered and applied to production and to he being proved hence great improvement on quality of workpieces by heading

    摘要分析了冷鐓機擋料器前端形狀對鐓鍛質量的影響,提出了對現有擋料器前端形狀改進的意見,指出改進後效果良好,有推廣意義。
  14. However, owing to adoption of nether long - pin, gauge between front and middle rollers is longer and controlling force of the mid of apron is weaker. therefore, as for the fiber which is short in fiber and worse in regularity, this kind of drafting is not so ideal not only from the point of theory but also from practice

    但這種形式的牽伸,由於採用下長銷,前、中羅拉隔距偏大,皮圈中部的控制力較弱,對于纖維短、整齊度差的纖維,無論從理論上和實踐上都不夠理想。
  15. Firstjap background and nkr front axle assembly line problems, non - meet demands and unbalance, is introduced, and modapts is suitble and important for the development of assembly line. secondly, theorials on work study, set time standards and process balance is reviewed, and current workshipment, operation motion capability. balance rate is revealed based on the investigation. according to work study theory, typical seven motions analysis is detailed, and operation method standards is designed. according to the human - machine theory, noise, light, tools, facilities factors is analysised, and conditions reducing production rate is advanced

    本論文採用理論與實踐相結合的方法,運用工業工程、人機工程學有關工作研究、方法研究、勞動定額、模特排時法等理論和方法,在分析大量文獻資料的基礎上,參考國內外在工業工程方面的最新研究和應用成果,對江鈴車橋廠nkr型汽車前橋裝配線的組織設計進行了系統的重組和優化設計研究。
  16. But the enterprise culture theory is “ thing from abroad ” after all, we can not absorb their achievements of theory totally, then how to build the enterprise culture of socialism with chinese characteristics becomes a grate subject in front of us

    但是企業文化理論畢竟是「舶來品」 ,我們不可能全盤吸收其理論成果,那麼如何建設中國特色的社會主義企業文化,就成為擺在我們面前的一個重大課題。
  17. Economic development and population increasing result in reduce the open space, while the people have gain the water front of city post the machinery industry as development lands, which form the new tide of lands design. under the theory of ecological garden, the concept of ecological city design is coming maturation and water system construction being the key of the city planning

    經濟的發展、人口的增長,導致城市可利用開放空間的減少,工業革命以後被閑置的城市濱水區成為新興開敞空間的綠化用地。在生態園林理論指導下,生態城市設計理念逐漸成熟,城市水系建設成為城市綠化的重點,引發現代城市濱水區綠化設計的熱潮。
  18. Theoretical model of self - mixing interference in a linear frequency modulated laserdiode is presented by using the dynamic theory of semiconductor laser with weak external optical feedback. the characteristics of oscillation frequency shift and output power changes of the laser diode are analyzed by using the theoretical model. the absolute distance from front facet of laser diode to target can be found by measuring spectrum of output power of the laser diode

    使用半導體激光器在弱反饋條件下的動力學理論,建立了線性調頻半導體激光器的自混頻干涉理論模型.基於該模型,分析了激光器振蕩頻率偏移與輸出功率變化特性.通過測量激光器輸出功率譜,可以得到激光器前端面與被測目標之間的距離
  19. On the basis of the important research project of the ministry of communications - the prevent and study of slope disaster in the project of beijing - zhuhai highway, the thesis developed the structure ' s design theory. in order to design more reasonable, the thesis propose the cohesion shear stress is unequal distribute at the anchorage zone. and it can be divided into two parts, the front function is uniform and the behind is exponential

    為了合理的進行工程設計,本文按彈塑性理論對預應力錨索錨固段的黏結剪應力進行了分析,將錨固段劃分為塑性變形區段和彈性受力區段兩部分,認為錨固段黏結剪應力為非均勻分佈,前段剪應力為均勻折減應力,後段剪應力為寸旨數變化應力,由此提出了相應的錨固段長度計算公式。
  20. The landlocked drainage area in the northwest occupy vast area, and mere are the special environment, abundant resources, numerous nationalities, deep cultural bottom and the area which is the front of the development of western region and open westwards, and it is also the area demands urgently to accelerate the process of rural urbanization, so research on the urban characteristic question of this area has important theory value and far - reaching social work meaning

    西北內陸流域面積廣大,環境特殊,資源豐富,民族眾多,文化底蘊深厚,又是我國向西開放和西部大開發的前沿,以及亟待加速農村城鎮化的地區。因此,研究該地區的城鎮特色問題具有重要的理論價值和深遠的社會實踐意義。
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