測地弧 的英文怎麼說

中文拼音 [de]
測地弧 英文
geodesic arc
  • : 動詞1. (測量) survey; fathom; measure 2. (測度; 推測) conjecture; infer
  • : 名詞1. [數學] (圓周的任意一段) arc2. (古代指弓) bow
  1. In addition to payment for areas of flooring skirting and dado, specials such as coves, internal and external angles and beads shall be measured separately and paid for running metres

    除了鋪板、壁腳板和護墻板的區域需要支付之外,一些特殊的方比如圓角、內外角和護角均應當獨立量,並按米支付。
  2. Basing on the premise that the capability of the transmission and the technique are synthetically considered, three new kinds of gear pairs is given, that is, loxodromic normal circular - arc spiral bevel gears, geodetic normal circular - arc spiral bevel gear, and hyperbolic normal circular - arc gear

    在綜合考慮傳動性與工藝性等要求的前提下,提出斜航式與式法向圓螺旋錐齒輪傳動、雙曲型法向圓齒輪傳動等兩類三種齒輪副的構思。
  3. Based on the studies of microthermometry, gas composition, liquid composition, rare earth elements, ore - forming elements and 13c, d, 18o of fluid inclusions from the mineralization district and the representative deposits, such as zacun gold deposit, shuixie copper - cobalt deposit, shiyancun stibium deposit and bijiashan stibium deposit, two metallogenic fluid systems have been distinguished, i. e., zijinshan metallogenic fluid system and gonglang metallogenic fluid system in weishan - yongping mineralization district

    礦化集中區及扎村金礦、水泄銅鈷礦、石巖村銻礦、筆架山銻礦等典型礦床流體包裹體的顯微溫、氣相成分、液相成分、稀土元素、重金屬元素及~ ( 13 ) c , d , ~ ( 18 ) o穩定同位素的研究表明,雲南巍山-永平區銅金多金屬礦化集中區存在兩個成礦流體系統:紫金山背斜成礦流體系統與公郎成礦流體系統。
  4. This paper makes the design and inpect and measure and optimum design of double circular - arc gears as a whole system using actual design methods and technology

    本論文將雙圓齒輪的設計、校核、量及精度與公差、優化設計很好結合在一起,利用現代設計方法和技術,建立了一個完整的系統。
  5. The curved floodgate ' s opening measuring system adopts two - level structure, main control level and field level

    形閘門開度量系統採用分層分散式兩級結構,分為主控級和現級兩層。
  6. Finally, a method is put forward to construct the nurbs curves on sphere, which extends the de boor recursive algorithm in r3 to one on the sphere by replacing the geodesic distances for the lines and studies their many geometric properties analogous to those in euclidean spaces, such as the differential property, the local property, the parameter invariance under a projective transformation, and so on

    兩種方法均給出誤差估計,使逼近螺線可達到任何預先給定的精確階。最後,給出球面nurbs曲線生成演算法:用球面上線? ?劣大圓代替直線段,將歐氏空間r ~ 3中的deboor遞推演算法推廣到球面上構造麯線。
  7. Arc detect and continuity check as additional features

    附加電及連續接確認
  8. Because arc length of trajectory is regarded as the variant in geodesics based method, it possesses the advantages of non - time based trajectory planning at the same time

    本文的基於線的軌跡規劃是以軌跡長作為參考變量的,因此它還具有非時間參考的機器人軌跡規劃的優點。
  9. Crustal electric structure of haiyuan arcuate tectonic region in the northeastern margin of qinghai - xizang plateau, china

    青藏高原東北緣海原形構造區殼電性結構探研究
  10. Abstract : the image of arc zone of flux - cored underwater wet welding was developed with underwater ccd camera system and composed filter technology. the discussion is mainly focused on the theory of edge detection. an image edge detection method based on median filter and grads algorithm was developed to detect the arc burning zone and arc bubble zone efficiently, which laid the foundation for further analysis of underwater wet welding arc mechanism and process control

    文摘:通過復合濾光技術和水下ccd攝像系統,採集出了藥芯焊絲水下濕法焊接電區域圖像,重點論述了邊緣檢理論,確定了基於中值濾波和梯度運算元的電區域圖像邊緣檢方法,有效區分了電燃燒區域和電氣泡區域,從而為水下濕法焊接電的機理分析及水下焊接過程式控制制奠定了基礎。
  11. The welding position can be detected accurately through processing the image of arc area collected by the vision sensor ccd ( charge coupled device ), by the system of image collection and computer - ware, we can recognize the position of the welding line exactly, count out the warp between moving track of robot and the welding line. so we can control the robot ' s act real - timely, the seam tracking accuracy is enhanced efficiently

    重點論述焊縫圖像分割和邊緣提取的理論方法,焊縫圖像由面陣ccd攝像系統攝取,通過圖像採集系統和計算機軟體,對檢到的焊區圖像進行處理來準確識別焊縫位置,計算機器人的運動軌跡和實際焊縫之間的偏差,據此控制機器人運動進行實時跟蹤,從而有效提高焊縫跟蹤精度。
  12. As an important part, the principle of measuring capacitor current and dumping degree has been analyzed. then, an novel method to measure the capacitor current and dumping degree which is based on the signal inject is put forward

    分析了消線圈接系統中各種相關參數的計算和推導方法,同時研究了了基於信號注入法的脫諧度和阻尼率量方法,並在實驗中驗證了這種方法的有效性。
  13. In this paper, the research was made to solute these problems. the peterson coil compensation system has been designed which can measure capacitor current and damp degree ; a fault selection method of distribution network which was put forward that based on ftu

    本課題就這兩方面的問題進行了深入研究,設計了一種消線圈自動補償裝置,該裝置可量系統對電容電流和阻尼率,具有響應快、準確性高的優點;同時提出了一種基於ftu的配電網接選線方法。
  14. Abstract selecting certain section of north - south elevated road in shanghai to develop and set up several curved and erect, turnable noisae - preventing screens, and making comparative noise level test and then conducting analysis and approach on sound environment werw presented in this article

    摘要在上海市區南北高架與面道路建設期間,選擇了一些典型的高架路段,開發和設置了型與面立型兩種可翻轉式防噪聲屏,並作了對比噪聲試,進行了聲環境的分析、探討。
  15. Abstract : theoretical distortion of the differential capacitor transducer with arch electrodes is analyzed in quantity while measuring the error motion of spindle

    文摘:定量分析了圓極板型差動電容式傳感器在量主軸回轉誤差運動時的原理誤差。
  16. The paper explains the method of the petersen coil parameter selection and expatiates the working principle of micro - computer controller. new methods of on - line measuring of the capacitive current and the control of the series resistance are put forward ? which lead to the integration of the automatic resonance and the faulted line selection in a compensating network

    文中說明了消線圈參數的選擇方法,闡述了微機控制器的工作原理,提出了在線量補償電網對電容電流以及控制串聯電阻的新方法,實現了補償電網自動調諧與單相接選線的一體化。
  17. Yet recent hubble images and ground - based observations find that the positions of the arcs have shifted little in the past 15 years

    然而近來從哈伯望遠鏡和面觀卻發現,這些圓于過去15年來變動不大。
  18. Active surveillance on vibrio parahaemolyticus in retail seafoods from coastal areas of china in

    2003年中國部分沿海區零售海產品中副溶血性菌污染狀況的主動監
  19. This paper establishs a integrated system about double circular - arc gears transmission design and optimal design using go a language vb. its emphases are visible design and inspect and measure of double circular - arc gears, and optimal design using crossing mesh optimal design program, it is the development of traditional design of double circular - arc gears. speeding the course of design, shorting the period of development, advancing the quality of design

    本論文利用面向對象的vb語言建立了雙圓齒輪傳動計算機輔助設計與優化設計系統,著重對雙圓齒輪的設計、校核、量尺寸、精度與公差計算機輔助設計的工程進行了可視化設計,並調用dsp正交網格優化設計方法對設計出的雙圓齒輪進行優化設計,並很好集成為一體,具有通用性,因而是對雙圓齒輪傳統設計的一種改進和提高。
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