極點長度 的英文怎麼說

中文拼音 [diǎnzhǎng]
極點長度 英文
pitch length
  • : i 名詞1 (頂點; 盡頭) the utmost point; extreme 2 (地球的南北兩端; 磁體的兩端; 電源或電器上電流...
  • : Ⅰ名詞1 (液體的小滴) drop (of liquid) 2 (細小的痕跡) spot; dot; speck 3 (漢字的筆畫「、」)...
  • : 長Ⅰ形容詞1 (年紀較大) older; elder; senior 2 (排行最大) eldest; oldest Ⅱ名詞(領導人) chief;...
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • 極點 : 1 (頂點) limit; top; apotheosis; perfoot; the extreme; the utmost; culminating point; [數學] ve...
  • 長度 : length; longitude; size; extent; footage
  1. As a new component of sensor, fiber grating have many instinctive advantages, such as light in weight, anti - cauterization, anti - interference in electromagnetism, high - sensitivity and compaction in construction. it is very easy to be coupled with fibers and the coupling - loss is slight. using fiber grating ’ s character of sensitivity for stress ; people have done some envelope experiments on structural systems ( such as storied buildings, bridge, railway and dam )

    光纖光柵傳感器除了具有重量輕、耐腐蝕、抗電磁干擾、靈敏高、結構緊湊等優外,還有其獨特的優越性,如探頭尺寸小,其直徑與光纖等同;易於與光纖耦合,耦合損耗小;波調制型,抗干擾能力強;集傳感與傳輸於一體且具有強的復用能力,易於構成傳感網路;測量對象廣泛,易於實現多參數傳感測量等等。
  2. The traditional neural networks, bp networks, are subject to three hardly conquerable drawbacks in network training and network design a long time, including slow training speed, the training tending to sinking into local minimum and the trained networks having poor generalization capability

    傳統的神經網路( bp網路)在網路訓練和網路設計上期受困於三個難以克服的缺陷,即網路訓練速慢、訓練易陷入局部和網路學習的推廣性能差。
  3. 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深入的探討: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深入探討;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;深入分析了地下水資源預測預報工作的端重要性和復雜性,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,使模型更準確、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、目錄條件主要是正確的資源觀,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。
  4. It shows that the injection quantity and the difference of temperature distribute as a parabola which is at the same load, and the minimum of the parabola corresponds to the optimum quantity of injection ( g ). under the condition that the quantity of injected mass, the air speed and the heat quantity is respectively g, v and q, the research demonstrates that the pentium iv chip ' s temperature variation can be controlled under 40c and work normally when the wind speed overpass 1. 5m / s and the power dissipation of the chip is 60w. otherwise this paper calculates the flooding limit of thermosiphon with several different methods

    對其充灌量、散熱量、電子元件( cpu模擬晶元)表面與環境溫之差及通風、流速的影響進行了系統的測試,發現充液量與溫差的關系在負荷不變時呈拋物線分佈,其小值對應的充液量是最佳充液量g 。在充液量為g時,對風速v 、散熱量q進行的研究表明,當風速超過1 . 5m / s后,奔騰晶元在60w發熱條件下晶元溫小於40 ,能滿足期正常工作。
  5. Secondly, the core conception of cognitive towards information science is " human as essence ", and bring forward that the information system is one that can boost up and magnify the existence value, ability and specialty of " human ", and provide users a system which is active and unforced, rather than force users to arduously adapt system. thirdly, from the visual angle of cognitive, information - seeking or information - using is a kind of cognitive behavior in essence. fourthly, cognitive style is the development trend of future information retrieve system, it can reveal the thinking - process of users during retrieving on - line, in order to help users to develop their knowledge configuration

    首先,認知觀可集成情報科學的相關領域,從而為形成統一、有效的情報科學提供體系結構;第二,情報學認知觀把「以人為本」作為它的核心觀念,提出情報系統設計的任務是要設計出增強和放大「人」的存在價值、能力和特的系統,使提供給用戶的情報系統是一種積自然,而不是要求他們花力氣去適應的系統;第三,從認知角來看,情報查尋和利用從根本上說是一項認知行為;第四,認知風格將是未來情報檢索系統的發展趨勢,這樣可以揭示聯機檢索過程中的用戶思維過程,以便有助於用戶知識的發展;第五,知識的進化與認知活動有密切關系,人的知識結構對外來信息的吸附、同化、選擇、建構和實現社會化的過程,其實就是知識的進化;第六, 「知識結構」將成為情報學認知觀研究的重
  6. I major in business english. the main courses i have studied are the basic courses for english majors, french, fundamentals of business, macroeconomics, microeconomics, international commercial law, internatioal trade, the economics of money, banking and financial market & principles of marketing during my college time, i study hard, and get good marks in most of the subjects. i pay attention not only to my study but also to improving my social abilities, i taught in qin huangdao chuangzhi foreign studies school from july 2003 to 2004, was an interpreter for the world bicycle championships b 2001 in june 2001, taught in qin huangdao cambridge school from mar. 2001 to sep. 2001, and i have abundant house - teaching experiences. what ' s more, i practised in qin huangdao chia tai co. in jan. 2003. i also tried my best to improve my other abilities besides my major, such as computer, managing abilities. i got " 1st grade " in the " hebei college students ' plan for company - creating contest " ( our work will participate in the national college students ' plan for company - creating contest ), and got " excellent " in the " web - making contest " of yanshan university

    大學期間,我嚴格遵守學校規章制,尊敬師、團結同學,有很強的集體榮譽感;學習認真刻苦,成績良好,我的專業學習涉及內容相當廣泛,包括英語的所有基礎課和國際商法、市場營銷、國際貿易、國際金融、工商導論、宏微觀經濟學等;重視理論聯系實際,在學好專業課的基礎上,積參加各項社會實踐、實習活動, 2001年6月,我曾為世界b級自行車錦標賽(中國?秦皇島)擔當翻譯工作,在多所外語學校擔任英語教師,還多次為北方物流置業有限公司(國家、河北省重建設項目)翻譯招商材料,而且2002年年底,在秦皇島正大有限責任公司行銷部實習;在學好專業課的同時,為了補充和擴展自己的知識面,我廣泛涉獵其他學科的知識,如計算機、網路、創業等,盡量使自身更快成為一專多能型人才, 2002年4月開始參加燕山大學學生創業計劃大賽,並在2003年上半年參加了河北省大學生創業計劃大賽,獲得了一等獎的優異成績,並將報送參加國家大學生「世紀杯」創業計劃大賽, 2002年4月,參加燕山大學「綠色網路」網頁製作大賽,獲得了優秀獎。 。
  7. Based on plenty of domestic and overseas documentation and accurate data about social security, this thesis utilizes a number of research methods, such as analysis, induction, assumption, comparison and historical materialism, etc. in expounding the significance and methods of building up the legal system of china ’ s rural social security in an all - round way from the following four aspects of expatiating on the fundamental issues of social security and the evolution track of china ’ s rural social security, exploring the social and historical rootstock resulting in the long - term predicament encountered by china ’ s rural social security, analyzing the so - called social security function of rural land, demonstrating the significance and routes of building the legal system of china ’ s minimum living security and social endowment insurance for rural residents, so as to reveal that the social and historical rootstock resulting in the long - term predicament encountered by china ’ s rural social security lies in the long - term social structure system of compartmentation between urban and rural areas, which is typically characterized by attaching more importance to industry than to agriculture, drawing profits from agriculture to accelerate industry ’ s development, by studying historically the predicament encountered by china ’ s rural social security, to disclose the serious reality that currently most of farmers lack social security and indicate the great significance of building up the legal system of china ’ s rural social security by refuting the argument that rural land can provide social security function, to clarify the necessity and feasibility of constructing the legal

    本文運用了分析、歸納、假設、比較和歷史唯物主義等研究方法,藉助國內外有關社會保障方面的大量研究資料和翔實數據,從闡述社會保障的基本問題與我國農村社會保障制的歷史演變軌跡、探詢期造成我國農村社會保障制困境的社會歷史根源、分析農村土地的社會保障功能以及論證構建農村居民最低生活保障法律制與農村社會養老保險法律制的意義和路徑四個方面全面論述了構建中國農村社會保障法律體系的意義和方法,目的是通過對我國農村社會保障困境的歷史性考察揭示造成我國農村社會保障期積弱局面的社會歷史根源就在於我國期實行的重工輕農、以農養工的城鄉分割二元社會結構體制,通過對農地社會保障功能觀的批駁揭示當前廣大農民缺乏社會保障的嚴峻現實,指出構建農村社會保障法律制的重大意義,通過對構建中國農村居民最低生活保障法律制和農村社會養老保險法律制的積探索論證構建我國農村社會保障法律體系的必要性和可行性。總之,同是作為中華人民共和國公民,無論是農村居民還是城市居民都應該在社會保障方面享有同等的權利。國家不能人為地重工輕農、厚此薄彼。
  8. D. salina can grow in extreme environment such as in a variety of salt concentrations ranging from 0. 05m to 5m, and the optimum salt concentration for growth is 2m to 3m

    該藻的突出優在於抗逆性佳,可在0 . 05m - 5m的鹽水中生,最佳生繁殖鹽為2 - 3m ,是目前已知最耐鹽的真核生物。
  9. By changsha, zhuzhou and xiangtan developing knowledge intensive industries or capital intensive industries mainly, the other regions developing labor intensive industries or natural resource intensive industries mainly, cultivate mul - layer industrial clusters system of our province. implement favourable policy and carry out institutional innovation so as to improve regional soft and hard settings. introduce managers hard, exalt entrepreneur ' s quality and construct an entrepreneur team who take on internationally strategic eye - sight

    實施產業集群發展戰略必須採取相應的政策和措施,比如區分產業集群和產業政策觀,實施鼓勵集群發展的政策;以株潭地區發展知識或資金密集型產業為主,其他市州縣發展勞動或資源密集型產業為主,培育和發展我省多層次產業集群體系;實施優惠政策,進行制創新,改善區域軟硬環境;積引進人才,提升企業家素質,建設一支具有國際戰略眼光的企業家隊伍;塑造信任、合作、創新的區域和集群文化;加大專業市場建設力,努力打造區域品牌,推進區域營銷等。
  10. 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深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;基於物體表面深的連續性,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:與通常的正向映射演算法相比,此演算法克服了多幅參考圖象所帶來的計算量成倍增等問題,而且誤差較小。 2 )基於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,以及線幾何的性質,本文第三章提出了一個基於線幾何的快速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,從多幅參考圖象精確合成當前視目標圖象。
  11. A distinguish to four storeroom books abstract, shi shuo xin yu " s notes and commentaries, are his representative works. he was good at using edition and textual criticism etc. knowledge to identify historical events and materials and steive to recover history true feature. because textual research " s object is ancient books, ancient books had different style and easy to cause all kinds of questions which would effect correct understanding. so, in a work of ancient books stylistic rules and layout, he studied ancient books style from the view of true and false, name, compile, appendix, inside section and outside section of book 4 to use story to explain problem. what he said is quote copiously from many sources, and gave a minute description

    余嘉錫在考據學方面亦有重大的成就, 《四庫提要辨證》 、 《世說新語箋疏》等書就是他在這方面的代表作。他擅運用版本、校勘等知識對史乎、史料進行認真而細致的考據,力求還歷史以本來面目。岡為考據對象多為占書,而且古書體例不一,易出現各種問題,影響人們對書中內容的理解,為此,他寫成了《古書通例》一書,從宏觀的角研究古書體例,對古侈的真偽、命名、編定、附益以至書分內外篇和諸子書中用故事說明觀等問題,旁徵博引,詳加解釋,對學術史貢獻大,這是當肘許多學者所不及的。
  12. The minority population is composed of the young people who are high intelligence. most of them live separately and temporary and come from different regions. the relationship between ethnic groups has rive characters : complex and sensitively, relating to many aspects, variety, affecting to each other, demonstrating

    人口的特主要是年紀輕、文化程高、散居為主未形成聚居、增快、暫住人口比例高、來源地廣泛;民族關系則具有復雜敏感性、涉及面廣泛性、表現形式多樣性、效應上的互動性和功能上的示範性五大特
  13. Since ureido - dcarbamido grease with high dripping temperature, long life, withstand high temperatures, high - speed, anti - water, it has broad industrial applications, but the ability of resisting high pressure is not well which limit its development more or less

    由於脲基潤滑脂具有滴高、使用壽命、耐高溫高速性、抗水性等優,使其在工業上具有廣泛的應用,但脲基脂本身的壓性能不高等缺陷在一定程上限制了其發展。
  14. The report sees little reason for the fund to provide long - term loans to countries in deep poverty but not in acute crisis

    對于基金提供期貸款給那些貧窮的國家並不是的危機,報告對此似乎看不出一眉目。
  15. However, with many burst traffic simultaneously arriving at a node, the queue length may become larger and buffer overflow in a moment, or high - speed link is emerged into slower one, there will be in congestion

    然而,當多個突發業務同時到達一個節時,緩存隊列迅速增加,在短的時間內出現緩沖溢出,或高速鏈路接入慢速網路中引起輸入鏈路速率大於輸出鏈路速率,則導致網路擁塞。
  16. The calculation formula of bond strength of frp and concrete is established according to experiment results and former conclusions, and the comparison is carried out among calculated results, test results, and results from other formula

    同時研究了frp片材與混凝土粘結面上應力分佈特,並根據試驗結果以及前人得到的相關結論,給出了當粘結大於有效粘結限粘結力計算公式,並對計算結果和試驗結果以及其他公式計算結果進行比較。
  17. With the help of this program, this paper does research on the moved backwards of the slide surface, lengthening the anchor section, the soil nail ' s total force, gets conclusion about relations between the soil nail ' s length and the slope ' s grade, height, soil ' s mechanical parameter ; relations between soil nail ' s total force and coulomb soil pressure. with the help of the large multiuse finite element program ansys, this paper analyzes the soil nailing in one - step ' s slopes, in two - steps " slopes, puts the emphasis on the axis force ' s distributing along the soil nail at each rows, the effect of both the excavating mode and the original slope figure to the axis force of the soil nail, the one another effect between the upper - step slope and the nether - step slope in the soil nail ' s axis force, gets conclusion about the design of soil nail at the first low, different slope body is the same with different excavating mode, the original slope figure has more effect to some than others because of the slope body, the reasonably design of the step width in two - steps slopes, the two - steps excavating and retaining has more virtue than the one - step ' s. through soil pressure analysis this paper does research on the differences and the links between the coulomb soil pressure theory and the rankin ' s, the vertical pressure at the slope surface when the slope surface is inclined and the retaining wall is rough, the soil pressure ' s distributing behind the panel, gets conclusion about the effect of both the slope body inner stability and the slope surface local stability to the soil pressure

    通過分析比較,論證了對數螺旋線型比圓弧形作為邊坡的假設滑裂面具有較多的工程優,並為此編制了一個採用限平衡法分析土釘支護的fortran語言程序,以此作工具對滑裂面的后移、土釘錨固段的超、土釘總力的大小等方面作了研究,得出了有關土釘的與邊坡的坡角、坡高、土體力學參數的關系、土釘總力與庫侖土壓力間的關系等結論;採用大型通用有限元數值分析程序ansys分別對採用土釘支護的一階邊坡、二階邊坡進行分析,重是研究各排土釘的軸力分佈規律、開挖方式及原始邊坡形態對土釘的軸力的影響、上下階邊坡在土釘軸力方面的相互作用,得出了有關第一排土釘的設計問題、不同類型的土體應適用於特定的開挖方式、原始開挖出的邊坡形態對一些類型坡體的邊坡土釘支護有較大的影響而對另外一些影響不大、二階邊坡臺階寬的合理確定、二階開挖及支護比一階時具有較多的工程優等結論;通過土壓力分析對朗肯、庫侖兩種經典土壓力理論的區別與聯系、坡面傾斜及墻背有摩擦時的坡面豎向應力分佈、面板背土壓力的分佈形態作了研究,得出了邊坡支擋土壓力受坡體內部穩定與坡面局部穩定兩個方面的影響、土釘支護面板背土體中卸荷拱的存在對面板受力有利等結論。
  18. And form the fluctuation of real estate industry itself, it has such characters : the cycle length is very anomalous, the frequency of issue is high ; the fluctuation range is wide ; there are two kinds of cycle styles, classic style and development style, the ratio of expand and contract is low

    而就房地產業自身的波動狀況來看,它呈現以下狀態特徵:周期不規則,發生頻率高;波動幅大:存在古典型和增型兩種不同的周期類型以及擴張期與收縮期比值低的特
  19. The expedition team comprises 6 members, including mr wang shi, president of china vanke co., ltd., hong kong renowned mountaineer mr chung kin man, and mr cao jun from china. the expedition was supported by china resources group, china mobile and ssi holdings far east limited

    繼今年4月成功抵達北后,由萬科企業股份有限公司董事王石香港攀山訓練中心總教練鍾建民及隊曹峻等6位人士組成的探險隊再出征,由華潤集團中國移動及香港ssi遠東控股集團等全力支持。
  20. Erbium - doped optical waveguide amplifier has received extensive attention because it has several merits, such as low - loss, high gain, small size, low facture cost, small index of noise, small polarization relativity and convenient for integration

    摻鉺光波導放大器具有損耗低、單位增益高、體積小、成本低、噪聲系數低、很小的化相關性,便於集成等特,正受到越來越廣泛的關注。
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