零點工程 的英文怎麼說

中文拼音 [língdiǎngōngchéng]
零點工程 英文
zero hour project
  • 零 : Ⅰ數詞1 （零數） zero2 （數的空位） zero sign （0）; nought 3 （表示沒有數量;無） nil; nought 4 （...
  • 點 : 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「、」）...
  • 工 : Ⅰ名詞1 （工人和工人階級） worker; workman; the working class 2 （工作; 生產勞動） work; labour 3 ...
  • 程 : 名詞1 （規章; 法式） rule; regulation 2 （進度; 程序） order; procedure 3 （路途; 一段路） journe...
  • 零點 : null point; zero end; zero point; zero; zero hour; null （函數或曲線的）零點標準（額） the nil no...
  1. Aspect the evaluation in the now available expressway construction project management is chiefly concentrated at economy with the technology, and to manages the twist hempen thread imitates that the research which appraised chiefly includes in effect which inspected and control evaluation and the construction course the evaluation of some one quotas, the unified evaluation system of not formation ; the twist hempen thread effect assessment method is managed to the now available project item, and stopping certain tier face in the item construction mostly, assessment method adaptability is wrong, and lacks the synthetical evaluation to the scattered assessment method of selection submitted a tender such as beckoning and so on

    現有高速公路建設項目管理中的評價主要集中在經濟和技術方面，而對管理績效評價的研究主要包括監理的效果評價和施工過程中的一些單指標的評價，沒有形成統一的評價體系;現有的工程項目管理績效評價方法，諸如招投標的選擇之類的零散評價方法，大多停留在項目施工的某一層面，評價方法適應性差，缺少綜合評價。本文通過對現有高速公路建設項目管理評價體系存在問題的分析，結合高速公路建設項目管理的特點，構建了高速公路建設項目管理績效評價內容、指標體系，運用模糊評價法、專家評價法、熵評價法等對高速公路建設工程項目管理績效做出了綜合評價。
  2. The subject site mainly falls within the existing stt no. rdstst - 003 for the east rail extension project ( up to 31 august 2005 ), the proposed stt for kowloon southern link works area, the protection boundary for mtr ( i. e. mtr - rp no. 108 ) and the mtr construction limit ( mtr - rap no. 24 ). according to the scheme of the kowloon southern link gazetted on 26 march 2004, kcrc will continue to require the site for works area for a term from 1 september 2005 to 30 june 2008

    有關地點主要坐落於東鐵支線項目的現有短期租約第rdstst - 003號（有效至二零零五年八月三十一日止）和九龍南線的擬議短期租約的工程范圍、地鐵的防護邊界（即mtr - rp編號108 ）及地鐵建設界限（ mtr - rap編號24 ）之內。
  3. 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，可以大幅度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深尺寸較大，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度大.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，加工難度大，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正確性和可行性.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
  4. Based on mono - pulse radar system and the analysis of terrain echoes, a geometrical model of air to ground ranging is constituted. by using the signals received from the sum and difference channels of terrain follow radar, a group of the expressions for terrain echoes are educed and characteristics of these echoes are obtained. according to the characteristics of the echoes, the theory and method of pass zero detection of difference channel and its applications are discussed in detail

    針對一維單脈沖雷達體制，分析了地形目標回波特性；建立了地形跟隨雷達空地測距的幾何關系；利用雷達收發信號，導出了地形跟隨雷達和差接收通道的回波信號表達式，進行了波形模擬，得到了地形跟隨雷達的地面散射產生回波在時域中的特性；根據和差回波特性，闡述了差信號過零點檢測測距的原理和方法及工程實踐中的應用，並給出了真實雷達對外輻射試驗的結果，驗證了文中的模擬。
  5. An engineering drawing management software using ole and windows2000 platform was developed, which was embedded in caxa software and can realize multi - document view ( mdi ). the developed system enhances the functions such as inserting drawing and drawing preview compared with the existing drawing management systems. the interfaces of this software become more friendly, the functions more powerful and the visualization better as a consequenceof adopting the technology of microsoft foundation classes ( mfc )

    其中輔助設計子系統應用面向對象理論、部件編程技術、 ole （ objectlinkingandembedding ）技術，用多文檔視圖結構實現了各設備零部件的輔助設計。圖形管理子系統在已有工程圖紙管理系統的基礎上，針對本行業企業的特點，有所創新和完善。同時使用了mfc （ hicrosoftfoundationclasses ）技術，使得該系統的功能更強大，界面更良好，可視化程度更高。
  6. Features of ndc systems : conform to iso9001 : 2000, worldwide patent non - nuclear ir sensors, 15 language displays, 100 % touch screen, easy to install and operate, local spare parts, service and technical support in china

    設備特點：符合iso9001 ： 2000全面認證，全球專利產品，中/英文等15種語言軟體， 100 %觸摸屏操作，安裝簡單，操作方便，國內有零備件庫、工程師售後服務和技術支持，產品實行終身維護。
  7. The crust of carrying parts adopts flame - resistant engineering plastic which has excellent electric property and high safety coefficient. all contacts adopt noble metal, so it has no arc and has long life. and the carrying parts adopt high - conductance excellent copper and high - flexibility material

    本產品面板採用高級防彈膠，載流零件殼體採用阻燃工程塑料，電性能優越，安全率數高，觸頭全部採用貴金屬觸點，不起弧，壽命長，載流零件選用高導率的優良銅材和高彈性材料，產品性能得以充分保證
  8. This paper researches laying out mode and procedure of manual drawing, describs in bfn constructing elements and their structure of working drawing, and determines factors which affect drawing effect. it introduces simply that functions of an interactive drawing software, which are basic and special laying out characters, methods of modification and logical order of normal drawing. also an example is given. the paper formulates out a helpful method with which engineering drawing is drawed under interactive system

    研究了傳統繪圖模式的構圖方式和過程，用巴科斯範式描述了零件圖的構圖元素與結構，確定了影響繪圖效率的因素.文中簡要介紹了交互圖形軟體具有的基本的和特有的功能，在交互繪圖中的構圖特點，圖形的生成與修改，一般作圖的邏輯順序，同時給出了示例.該文歸納出用交互圖形系統生成工程圖樣的便捷方法
  9. The combustible gas detector should be of high stability and seldom producing zero - point drift during normal working. it should be able to automatically compensate zero - point drift

    可燃氣體檢測器應穩定性高，正常工作時應很少產生零點漂移。應具有零點漂移自動補償功能。儀表的零點和滿量程應能夠在現場進行標定。
  10. As a new type of energy - saving equipment, the tubular heat exchanger with longitudinal flow of the shellside fluid ( thelfsf ) has many remarkable advantages. it betters anti - vibration and anti - smudge performance, enhances heat transfer efficiency, and decreases the shellside pressure loss. it also prolongs service lifetime, reduces the weight and saves material

    新型縱流殼程換熱設備作為一種新一代節能降耗設備，具有優良的防流體誘導振動性能、傳熱性能好、傳熱效率高、流體流動阻力小、抗結垢能力強、重量輕等優點，是鄭州大學「熱能工程研究中心」專利產品，為了加快該設備的推廣， 「中心」研發了hecad軟體系統，實現了新型換熱設備工藝設計、機械設計、零部件，圖及總裝圖繪制一體的cad軟體化。
  11. The menues are self - explanatory and allow to choose the configuration parameter as user language, engineering unit, zero and span, inverted output signal etc. the language can be switched between german, english, spanish and italian

    菜單簡單易懂，可以選擇配置參數，如用戶語言工程單位零點和跨度翻轉輸出信號等。可選擇語言有德語英語西班牙語和義大利語。
  12. The application of semantics is discussed as follows : the projection relation semantics leading to recognizing cylinder, the region semantics leading to recognizing linear sweeping, the free element semantics leading to recognizing the feature which the cylinder is cut by plane. last, a prototype system is developed according to the semantics model. the system can read dxf that contains 2d engineering drawing information and recognize the 3d feature

    接著，根據工程語義模型表述，詳細分析了各個類別、層次以及類別之間表達的工程語義的特點與內容，然後進行零件的特徵分類，從特徵識別的角度探討了工程語義在圖樣理解的應用，並詳細討論了圓柱體、線性拉伸體、圓柱體的平面截切特徵從投影語義、連通域語義、游離圖元語義引導識別的應用過程。
  13. Schematic diagram showing the relationship between the zero - point energy and molecular mass for hydrogen, deuterium and hd. ( image courtesy of mit ocw

    示意圖說明氫分子、氘分子、氫氘分子的零點能與分子量之關系（本圖由麻省理工學院開放式課程網頁提供） 。
  14. The principle and application of zero current switching boost pfc circuit are given. by introducing the development of ac / dc module with pfc the key techniques of the module are stressed on the engineering design. some problems are resolved such as the module is so small that spread the hot difficulty

    從理論上分析和研究了零電流開關升壓式pfc電路的原理和應用，並結合250w帶pfc電路ac dc模塊的研製，從工程設計角度重點闡述了該模塊的關鍵技術，解決了模塊體積小、散熱困難及工藝等方面的難題。
  15. The surface of conventional engineering part is composed of simple analytical surfaces and four - boundary ruled surface primarily. therefore a point cloud segmentation method based on those feature surfaces is proposed. several algorithms to identify the simple analytical surface feature are investigated and discussed

    常規工程零件的外表面中包含了大量的特徵曲面，如簡單解析曲面和四邊直紋面，因此，本文提出基於特徵曲面的的點雲分割方法，研究幾種識別簡單解析曲面的演算法；研究由點雲擬合b spline和b zier曲線的理論基礎，總結曲面擬合的幾種方法，提出一種反求定半徑滾球圓角的方法。
  16. Wang xuan, academician of chinese academy of science, chinese academy of engineering and professor of peking university died of illness at 11 : 03 a. m. on feb. 13th at beijing union hospital at the age of 70

    中國科學院院士、中國工程院院士、北京大學教授王選，因病醫治無效，於2006年2月13日上午11點零3分在北京協和醫院逝世，享年70歲。
  17. Engineering drawing system can draw two dimension curve graphs, main detail drawing and assembly drawing. the curve of internal trajectory and dynamic simulation of particle external trajectory. the detail drawing includes the graph of chamber, grain design, connection body, nozzle, some standard part

    工程繪圖可以繪制二維曲線圖和零部件圖，其中二維曲線包括有內彈道壓（推）力?時間曲線、質點外彈道動態模擬曲線；零部件圖包括有標準螺栓與螺紋孔、燃燒室結構圖、裝藥設計截面圖、連接底結構圖、噴管結構圖及火箭發動機總體裝配圖。
  18. Bolted - sphere node is the central part of spatial steel framework. in the process of machining, the factors of quality are several kinds, the numbers of processing path is very large and the real problems are so complex that mass calculation is impossible with hand. we must depend on the powerful calculation ability of computer and the optimal design means

    螺栓節點球是網架工程中的關鍵零件，在它的加工過程中，影響其質量的因素是多方面的，加工路徑又十分龐大，實際問題很復雜，要進行大量的計算，用人工計算往往是不可能的，必須藉助計算機強大的計算能力和優化的設計方法來進行。
  19. It worked by measuring the sample with virtual axes m & m center, reversing the data measured into a data model and making a detailed modification and design before the development of new products. finally, agile virtual enterprise ( ave ) was constructed to complete the nc machining of the mouse in beijing machine tool research institute

    利用該原型系統實現以鼠標零件為例的逆向工程過程，包括採用六坐標測量機獲取數據點，利用surfacer軟體實現鼠標曲面擬合，在i - deas軟體中完成鼠標實體構造等過程。
  20. The stonecutters island sewage treatment works, a key component of the $ 9. 4 billion high priority programme, was commissioned in june 1997. the programme should be fully commissioned in 2000

    耗資94億元的重點工程計劃的重要項目之一昂船洲污水處理廠已於一九九七年六月投入服務，而整個重點工程計劃應可在二零零零年全面投入服務。
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