正中項線 的英文怎麼說

中文拼音 [zhēngzhōngxiàngxiàn]
正中項線 英文
median nuchal line
  • : 正名詞(正月) the first month of the lunar year; the first moon
  • : Ⅰ名詞1 (頸的後部) nape (of the neck) 2 (款項) sum (of money) 3 [數學] (不用加、減號連接...
  • : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
  • 正中 : middle; centre
  • 項線 : nuchal lines
  1. Since its foundation, this institute has completed 3800 or more projects of exploration and design of which projects of priority are fengpu, lupu bridges, i, ii, iii stages of comprehensive sewage treatment, inner, middle, outer ring roadways, yan an dong lu viaduct ( east and middle sections ), main entrance roadway and graded crossing in pudong international airport, first and second stages of humin viaduct, expressways ( hujia, huqingping, hulu, jialiu, xinfengjin ) and chongming cross river projects, r3 and m7 light rail projects both situated in city proper or suburban area

    自創建以來,完成了各類工程勘察設計目3800餘,其已完成或在進行的目有:上海市奉浦大橋、盧浦大橋、污水治理一二三期工程、 (內、、外)環道路、延安高架道路(東、、西段) 、浦東國際機場航站區主進場道路及航站區立交、滬閔高架道路一、二期、 (滬嘉、滬青平、滬蘆、嘉瀏、莘奉金等)高速公路、崇明越江通道、軌道交通r3、 m7等工程。
  2. Under a reported deal worked out with the prime minister, peres will support kadima, the centrist party sharon formed last week after leaving the hard - line likud, but he will not officially join the party and he will not run for a seat in parliament, where he has served since 1959

    在和沙龍總理達成一傳聞的交易后,以色列老資格政治家、原工黨主席佩雷斯將支持沙龍的前進黨,即沙龍在放棄利庫德集團強硬路后,上周新組建的一支溫和黨派,但是,佩雷斯將不會式加入該黨,他自1959年起在議會任職,而這次他也不會競選議會職位。
  3. Based upon virtual displacement method and the updated - lagrangian approach, stiffness matrices for two - dimensional elastic - plastic beam model in large displacement were proposed, in the derivation of which transverse stress was included because it was believed that part of the 2nd order effects of various stresses, which are in equilibrium with each other and with the external loads, will counteract each other and neglecting either part would possibly lead to incorrect results

    利用虛位移原理和更新的拉格朗日方法,導出了大位移彈塑性梁單元剛度矩陣的顯式表達式,在剛度矩陣推導引入了截面內非性剪應力和橫向應力的影響,剛度矩陣通過了剛體檢驗。之所以要引入橫向應力的影響,是因為本文認為,保持平衡所需的所有應力,它們各自的二階效應會相互抵消,因此忽略其的任何一都可能導致不確的結果。
  4. Firstly, we generalize and analyze the advantages and present research of elliptic curve cryptography ; secondly, we study the basic theory of the ecc ; thirdly, we illustrate the safety of the ecc and discuss the elliptic curve key agreement scheme, elliptic curve encryption scheme and elliptic curve digital signature algorithm ; fourthly, we study fast algorithms of the multiplication and inversion multiplication of the element of in the underlying finite field f2m whose characteristic is two represented by the two basis of optimal normal basis and polynomial basis. we make improvements to the fast algorithm of the polynomial basis multiplication by hankerson and base on the experiments, we describe the properties and compare the advantages of the multiplication and inversion multiplication of the elements in f2m field under optimal normal bases and polynomial basis. results concluding from the study car be used as references in the realization of the elliptic curve cryptosystem ; fifthly, we overview the current fast algorithm of point multiplication, improve the fix base point comb algorithm, advance the speed of the whole system and remark the advantages and disadvantages of the popular algorithms based upon the experimental datas ; sixthly we realize the algorithm library of elliptic curve cryptography based on the f2m. only change slightly in our algorithm library can we realize the ecdh, eces, ecdsa based onf2m of anysize ; seventhly, we realize the ecc on two secure elliptic curves, including ecdh, eces, ecdsa

    本文首先介紹並分析了橢圓曲密碼體制的優點及研究現狀;其次研究了橢圓曲密碼體制的基本理論;第三,分析了橢圓曲密碼的安全性並介紹了密鑰共享,加密,數字簽名等橢圓曲密碼體制;第四,深入研究了特徵為2的有限域f _ 2m的元素在多式基和最優規基表示下的乘法運算和乘法逆運算的快速演算法,並對hankerson等人提出的多式基下的乘法運算的快速演算法作了改進,而且在實驗的基礎上不僅分析研究了f _ 2m域元素在多式基和最優規基表示下的乘法和乘法逆運算的性能,還對這兩種基表示下的f _ 2m域元素運算效率的優劣作了比較和研究,所得的結論可供在實現橢圓曲密碼體制時參考;第五,研究了目前流行的計算橢圓曲標量乘法的快速演算法,同時改進了固定基點梳形法,提高了整個系統的速度,並在實驗的基礎上分析研究了流行演算法的優劣;第六,實現了基於f _ 2m的橢圓曲密碼體制的演算法庫,在我們的演算法庫只需稍微改變便能實現基於任意尺寸的f _ 2m上的ecdh , eces , ecdsa等橢圓曲密碼體制;第七,實現了兩條安全橢圓曲上的橢圓曲密碼體制,包括ecdh , eces , ecdsa 。
  5. Study achievement appears as following aspects : ( 1 ) yellow river estuary gate river flow and tide flow mixed area is not keep standing deposition status, on special income water and sediment conditions, boundary conditions and oceanic power conditions, this area may on the scour status ; ( 2 ) observed from estuary sediment deposition distributing process : delta and sea offing area sediment deposition vary trend is similar, each part sediment deposition scale varies as wave shape ; ( 3 ) on estuary gate, affect the sediment deposition factors, primary factors are tide prop, the gate widens gradually, estuary gate have branches, brine induced flocculation. this paper study the estuary gate widen, estuary gate have branches to affect the river channel deposition in quantity ; ( 4 ) based on field measured data, for the first time, deduce the estuary sediment deposition and distributing regress formula which can estimate estuary different areas sediment deposition volume ; ( 5 ) this subject demonstrate the estuary delta coastline dynamic balance conception, build the relationship between the estuary income sediment with deposition land area, draw the following important conclusion : when estuary years - averaged income sediment keeps at 345 million tons, the delta coastline may on the dynamic balance status. ( 6 ) this subject firstly brings up estuary sediment optimized control conception, and has the primary study on the macroscopically optimized control conception method

    研究認為: ( 1 )黃河河口口門逕流潮汐區域並非持續保持淤積狀態,在特定的來水來沙、邊界條件和海洋動力條件下,該區域可以處于沖刷狀態; ( 2 )從河口泥沙沉積分配的過程來看:三角洲與濱海區泥沙的沉積變化趨勢是基本一致的,各部位的泥沙沉積比例變化基本呈波動狀態,且三角洲與濱海區泥沙的沉積比例與來沙量密切相關,基本成比關系; ( 3 )在口門處,影響泥沙沉淤的因素主要集在潮汐頂托、口門逐漸加寬、河口門分汊、鹽水造成絮凝等,本報告主要對口門加寬,口門西妥理工大學工程碩士專業學位論文分漢對河道淤積的影響進行了定量分析: (一扣根據實測資料首次建立了河贖流路泥沙沉積分配的回歸計算式,據此可以預估計算河口不同區域泥沙的沉淤量; 、 5 )本研究首次論證了河口三角洲岸動態平衡的概念,並建立了黃河河口來沙量與造陸面積的相關關系,得出了當河口多年平均來沙量維持在3 . 45億t時其河口三角洲岸則可能處于動態平衡狀態的重要結論; 『 6 )本研究首次提出了河口泥沙優化調控的概念,並對其宏觀優化調控模式進行了初步探討。
  6. Being resipansible for technology guality of this unit, i have arganized and completed or then 10 great consultative projects in meteluvgical industing including feasible research repart and preliminary design of dan yang ring - type sintering plant loaned from world bank. designed no. 6 semi - contiuars rolling mill line of shagang group ; nangang group steel making plant water treatinent system, feasible research report and preliminarg design of nangang group no. 3 continuous casting machiue and hebei wwan iron making co. 24m2 rinn - tgpe sintering plant, as chief - disigner, none argamizing working drawing disign far it

    作為本單位技術質量負責人,近年來組織了完成了10餘較大規模的冶多工程咨詢任務,其包括世行貸款的丹陽環燒工程可研和初步設計;擔負港沙鋼集團六軋車間半連軋生產設計;南鋼集團煉鋼廠水處理系統完善;南鋼集團煉鋼廠矩形櫃連鑄可研及初步設計;河北武安市鐵業公司24m ^ 2環燒工程擔任總設計師,完成了初步設計,組織開展施工圖設計。
  7. In addition, he translated the cream of cultural relics in shaoxing ( volumes 1 and 2, chinese - english translation ) for the cultural relics bureau of shaoxing city, installation manual for continual casting line of hangzhou steel mill for the no. 13 national metallurgy construction engineering company ( chinese - english translation ), technical documents for the bearing company of wanxiang group ( chinese - english translation ), technical documents for the hangzhou nardi machinery co., ltd. ( english - chinese translation ), technical documents for the taizhou fengrun biochemical co., ltd., profiles of auto parts firms for the jindian ( golden idea ) advertising company of yuhuan county, fsr of wastewater treatment project for the shanghai municipal engineering design general institute, fsr of cultural heritage conservation project for huahui design institute of shaoxing, ea report of cultural heritage conservation project for zhejiang environmental science research and design institute, website homepage and patent documentation of the zhejiang galaxy flood materials company, theses of ciob ( chartered institute of building ) training courses held in shanghai, abstracts of master degree theses for graduates of zhejiang university, solicited articles on rediscovering zhejiang ( english - chinese translation ), wuyi painting album used at the world poverty reduction conference jointly held by the world bank and the central government of china in shanghai, painting album of the new century tourism group, menus for hangzhou dahua hotel, etc

    此外,還為紹興市文物局翻譯了紹興文物精華上下冊(漢譯英,式出版物) ,為國十三冶翻譯了杭州鋼鐵廠連鑄生產安裝說明書(英譯漢) 、為杭州萬向集團軸承公司翻譯了技術文件(英譯漢) ,為杭州納狄機械有限公司翻譯技術文件(英譯漢) ,為臺州豐潤生物化學有限公司翻譯技術文件,為玉環金點廣告公司翻譯了多家汽車配件公司(廠)簡介,為上海市政工程設計研究總院翻譯了某污水處理廠目工程可行性報告(漢譯英) 、為紹興華匯設計院翻譯了工可報告、為浙江省環保科學設計研究院翻譯了文化遺產保護目的環境評價報告,為浙江銀河防汛物資公司翻譯了網站主頁和專利產品文獻,為上海的ciob (英國皇家特許建造學會)研討班翻譯多篇結業論文(漢譯英) ,為浙大研究生翻譯多篇論文摘要(英譯漢) ,為浙江外事辦公室翻譯國加入世貿組織與政府職能轉變(英譯漢) ,為浙江省對外友好協會和錢江晚報的外國友人看浙江的徵文多篇(英譯漢) ,為武義縣翻譯了減貧經驗交流材料武義畫冊(用於在上海召開的世界扶貧大會) (漢譯英) ,為開元旅業集團翻譯了介紹畫冊(漢譯英) ,為杭州大華飯店翻譯了菜單(漢譯英) ,等等。
  8. This event was arranged in response to master s previous request to all centers in the world to prepare for emergency situations. seoul center has prepared many items to meet those needs such as blankets, raincoats, rainboots, medicine and equipment to move victims. we are now planning to purchase a ham radio system and an initiate is going to take a test to get a certificate allowing him to use the ham system

    活動的安排是響應先前師父的指示,要求全世界各小心,對緊急情況有所防備,漢城小心已經備妥了許多物品以應不時之需,例如:毯子雨衣雨靴藥品以及一些搬運傷患的用品,現在我們準備要購買無電系統。
  9. The clues and techniques to improve the resolution of data processing are 1 ) removing the affection of near surface factors on data acquisition, including static correction and noise eliminating technique etc, 2 ) broadening the frequency band of pre - stack seismic data, including amplitude compensation and pre - stack deconvolution etc, 3 ) improving s / n ratio of high frequency and weak reflection signals through multiple coverage with high precision velocity analysis, residual static correction and high - order nmo, raising " dead line of high frequency reflection ", and 4 ) identifying post stack effective reflection frequency band, enhancing dominant frequency and so on

    主要包括:消除近地表因素對資料採集的影響,包括靜校和噪音壓制技術等;疊前拓寬地震資料領帶,包括振幅補償和疊前反褶積技術等;藉助高精度速度分析、剩餘靜校和高次nmo技術,通過多次覆蓋疊加,消除資料隨機噪聲干擾、提高資料信噪比,尤其是高頻端反射信息的信噪比,改善高頻反射和弱反射信號信噪比,提高「高頻反射死亡」 ;疊後有限反射頗帶識別、抬高優勢頻率等。
  10. This new basis provides properties analogous to berstein polynomials, including symmetry, zeros of the basis functions, positivity, normalization, etc. based on this new basis, we define a new kind of curves, to be called h - bezier curves, with control polygon

    本文利用多式混合雙曲形式在空間構造了一組新的基,稱為h - b zier基,它具有類似於bernstein基的端點性質,零點階數,性,規性質,對稱性等性質進一步,文章通過控制多邊形的方式定義了h - b zier曲
  11. Sufficient conditions are obtained for the existence of bounded positive solutions of the n - order delay differential equations with nonlinear neutral term, on the basis of lebesgue ' s monotone convergence theorem and banach contraction theorem

    摘要利用控制收斂定理和壓縮映射原理研究了一類具非時滯微分方程有界解的存在性,獲得了其存在有界解的充分條件。
  12. The synthetic operation of engineering pipelines of a residential area is to collect designed and existing information of each kind of engineering pipelines in the layout space of the residential area, to analyze and investigate the information, to find out and solve the conflict in the constructing process of the engineering pipelines, to synthetically arrange the plane and vertical location of the engineering pipelines, to provide the foundation for the engineering pipelines " designing, construction and management the leading content of this dissertation is how to make use of the vertical space under roads in the residential area and rationally locate every underground engineering pipelines

    小區工程管綜合就是搜集包括現狀的小區規劃范圍內各工程的規劃設計資料,加以分析研究、綜合安排,發現並解決工程管在規劃設計的矛盾,合理地安排各管的平面位置和豎向高度,為各工程管的設計、施工和管理提供依據。由於架空敷設方式很難保持環境的完整和美觀,有礙小區進一步發展,且存在諸多不安全隱患,被逐步替代,因而,如何利用小區道路下的豎向空間,合理設置各專業埋地管,成為本文研究的主要方向。
  13. Point to above problems, under the financial support of the national natural science foundation ( exploration of high tech and new concept and new conceive ), the excellent young teachers program of ministry of education and national excellent doctoral dissertation special foundation, the static and dynamic real - time computation of elasticity - plastic mechanics, solving method of fuzzy finite element and other problems were studied in this paper. and some achievement was gained as following : ( 1 ) based on the positive definiteness of system stiffness matrix of finite element that was modified and the form of potential energy function of elastic body, the linear system of saturation mode ( lssm ) was introduced into the neural computation of finite element, by which the no - error solving of finite element neural net computation was realized in theory

    針對上述問題,在國家自然科學基金(高技術新概念新構思探索) 、教育部優秀青年教師資助計劃、高等學校全國100篇優秀博士學位論文作者專基金等的資助下,本文對彈塑性力學問題的動靜態的實時計算、模糊有限元的求解方法等問題進行了系統和深入的研究,取得了以下成果: ( 1 )根據有限元總剛矩陣經修後具有定性的特點以及彈性體勢能函數的具體形式,將飽和模式的性系統(簡稱為lssm系統)引入到有限元的神經網路計算,在理論上實現了有限元神經網路計算的無誤差求解。
  14. Early resolution of interchange arrangements for rail projects under planning, notably the shatin - central line ( scl )

    (丙)盡早解決目前在規劃的鐵路目(特別是沙)之轉車安排;
  15. The concrete contents include : one background : with the comparison with the western countries, our compulsory education displays a strong government - oriented behavior, which is the root of success and potential failures in our compulsory education two clues : in " ought to be " level, it is " local quasi - public goods - - polycentri supply " and in " be " level, " pure public goods - - monopolized supply by government " one theoretic judgment : the separation of manufacture and provide in compulsory education, which gives the chance for polycentri manufacture of compulsory education one center point : to stick to the main responsibilities of government in providing and managing the compulsory education three contents : subject ( which ? ) : local governments are the responsibilities subject of compulsory education substances ( what ? ) : to ensure the compulsory education ' s public good from the nature, and compulsory education ' s development abilities of the whole local government from the quantity measures ( how ? )

    具體內容有: ?一個背景:在西方義務教育比較出的基本特徵表現出的強烈的政府驅動,我國義務教育所取得的成績和所蘊涵的危機都在於此?兩條索:理論應然層面上的「地方性的準公共產品? ?多心供給」和實然層面上的「純公共產品? ?政府壟斷供給(單心) 」 ?一個理論判斷:義務教育的生產與提供的分離? ?義務教育的多心生產的可能性?一個心:堅持政府在義務教育責任的主要性? ?提供與管理?三內容主體(哪一級政府) :根據博奕理論,地方政府是我國義務教育的責任主體內容(負什麼責任) :質上保證義務教育的公益性,量上保證各地方在義務教育發展力上的均衡措施(怎樣負責人通過政府間的轉移支付保證義務教育的程序義,通過義務教育的多心生產,把「麵包做大」保證義務教育的實質義當然,在此對本文內容的區分梳理,只是一種思路的順序。
  16. One of the important prerequisites for nn to approximate the nonlinear function f ( x ) is the states x of the system should be in a compact set. therefore, the unkown unlinear systems can be expressed by nn and a model error e ( x ), and there exists a positive constant 6 such that e ( x ) < 8. so the problem can be incorporated into robust adaptive control

    神經網路可以逼近非性函數f ( x )的一個重要前提是x必須落入某一緊集s,因此在一緊集u上,未知的非性系統就可以用神經網路及一建模誤差( x )表示出來,且存在一的常數,使得( x ) ,從而這一問題可以歸結到魯棒自適應控制
  17. The dissertation refers to comparatively full literatures in the field of vsc, and the development history and characteristics of vsc are summarized, and the elementary concepts, elementary definitions, elementary properties, elementary principles and design methods are particularly introduced, and the causes of the chattering phenomenon are systematically analysed, and the study status of the chattering phenomenon and the main methods to eliminate the chattering are elaborated. for the deficiencies of traditionary methods, three improved methods are developed, which are improved exponent reaching law solution, variable boundary layer solution and the solution by adding an auxiliary continuous control term. for uncertain linear systems, an adaptive fuzzy integral variable structure control stategy ( afivsc ) is put forward to eliminate the chattering around the sliding plane, which introduces fuzzy logic to soften the non - linear discontinuous sig nal in the control variable and utilizes adaptive theory to adjust output membership function according to how much the uncertainty of the system is

    比較全面地查閱了關于變結構控制理論的文獻,總結了滑模變結構控制的發展歷史和特點,詳細介紹了變結構控制的基本概念、基本定義、基本性質、基本原理以及設計方法;系統分析了變結構控制系統抖振產生的機理,並闡述了國內外目前對抖振問題的研究現狀以及消除抖振的主要方法;針對傳統抑制和消除抖振方法的不足,改進了傳統方法,得到了三種新的消除抖振的方法? ?即改進的指數趨近律法、可變邊界層法和附加連續法;針對不確定性性系統,在變結構控制策略引入模糊邏輯和自適應理論來消除滑動平面上的抖振,提出了一種自適應模糊積分變結構控制方案( afivsc ) ,利用模糊邏輯來柔化控制量性不連續部分,採用自適應理論,根據系統不確定性大小在調整模糊輸出量的隸屬函數,另外,鑒于模糊控制本質上是有靜差的,所以本文選擇了帶積分的切換函數,由於積分的存在使系統較為無靜差系統。
  18. One is the 191 bits secure curve of ansi x9. 62, elements in f2m field represented by polynomial basis, the other is the 148bits secure curve in our secure curve library elements in f2m field represented by optimal normal basis ; the conclusion summarizes the whole paper and preview the the further developments of the work we have done

    一條是ansix9 . 62的191bit的安全曲, f _ 2m的元素用多式基表示,一條是我們安全曲的148bit的安全曲, f _ 2m的元素用最優規基表示;最後對本文進行總結和展望了以後的工作。
  19. One of the ironies to emerge from the midair disintegration of the columbia on february 1st is that cnn ' s breaking news of the tragedy was, for many people, their first clue that a shuttle mission was under way

    哥倫比亞號航天飛機於2月1日在半空解體,具有諷刺意味的是,美國有新聞網路對於此次災難令人震驚的報道,對于許多人來說,居然是他們第一次得知有這么一航天任務在進行當
  20. We adopt inhibition and fatigue model to choose behaviors and propose to use nonlinear changing function to update animal ' s inner state instead of traditional linear changing function

    提出用多式函數代替傳統模型性函數來更新內部狀態,修了傳統模型不符合動物習性的部分,使動物的行為更符合實際情況。
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