長球面 的英文怎麼說

中文拼音 [zhǎngqiúmiàn]
長球面 英文
prolate ellipsoid
  • 長 : 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;...
  • 球 : 名詞1 （以半圓的直徑為軸 使半圓旋轉一周而成的立體; 由中心到表面各點距離都相等的立體） sphere; glo...
  • 面 : Ⅰ名詞1 （頭的前部; 臉） face 2 （物體的表面） surface; top 3 （外露的一層或正面） outside; the ri...
  • 球面 : spherical surface; sphere球面艙壁 spherical bulkhead; 球面車床 spherical turning lathe; 球面反射...
  1. Based on an integrated correlation and study of regional and deep geophysical data such as 12 magnetotelluric sounding profiles, 5 seismic profiles, tomographic imaging velocity structural data and gravity and magnetic field, the authors have formulated the 3d deep tectonic framework of the middle and lower yangtze valley and its neighborring areas in relation to the distribution of auriferous skarn deposits and copper ( associated with gold ) skarn deposits

    作者藉助12條大地電磁測深剖面、 5條地震剖面、層析成像速度結構資料、重磁場等區域的和深部的地球物理資料進行綜合對比研究，給出長江中下游及其鄰區的三維深部構造格架及其與含金夕卡巖礦床和銅伴生金夕卡巖礦床的分佈關系。
  2. In the displacement measurement based on the principle of laser interference, the gaussian quadrics fitting algorithm is used to fix the central position of facula and raise the location accuracy

    在基於兩球面波干涉的長度和距離測量實驗中，運用高斯二次曲面擬合演算法為激光光斑的中心坐標定位，提高了光斑的定位精度。
  3. Square set screws with long dog point and rounded end

    方頭長圓柱球面端緊定螺釘
  4. The poynting vector that represent the flow of electromagnetic power density on a sphere from a linear dipole antenna is approximated by the summation of the field of segmented line current as hertz dipoles

    以赫芝偶極之電磁場合成任意長度偶極天線在球面上電磁功率密度流之時變玻因亭向量。
  5. Instrument technology research center ( itrc ) accumulates a lot of experiments in lenses fabrication, and announced the launch of aspherical lenses made from special material for aerospace applications

    摘要儀器科技研究中心長期累積光學元件製作能量，並且發表過太空用途之特殊材料非球面鏡研製成果。
  6. Xin xing liang electric - optics of jilin province, co., ltd. it has evolved into a unique company, specializing in the manufacture of cylindrical lens etc. we employ some experienced engineers and technical personnel from chang chun institute of optics, fine mechanics and physics, which is part of the chinese academy of science

    柱面鏡，光學鏡片，光學，鏡片，棱鏡，窗口片，反射鏡，透鏡，球面鏡，濾光片，消色差吉林省新星亮光電有限公司原長春市朝陽區升光學鏡片加工部是一家專門從事光學冷加工的實體企業。
  7. The frenchman scored nine times in 15 appearances against the reds during his arsenal career, including a last - minute winner in january 2007 at the emirates stadium

    在阿森納，法國人曾經在15次面對紅魔時打進過9球，包括2007年1月在酋長球場的那個最後一分鐘的制勝球。
  8. For every large time intervals and for stars near to the pole, it is necessary, however, to use the exact formulae of spherical trignometry.

    對于很長的時間間隔和靠近極星的恆星，必須使用精確的球面三角公式。
  9. In its measurement, the interference fringe should be tracked and counted. to avoid its disadvantage, a novel method of length measurement based on two sphere waves ’ interference is been introduced

    為了避免其需要對條紋進行跟蹤計數的缺點，提出了基於兩球面波干涉的長度和距離測量方法，並進行了理論分析和模擬。
  10. The paper studies mainly a new kind of measure method of aspheric surface - laser wavelength - scanning interference testing method

    本文主要是研究一種新的非球面檢測方法?激光波長掃描干涉測試方法。
  11. The mathematic model of the ultra - thin spherical mirror is to be treated as elastic thin shell. then the predigested model, i. e., bended beam, used in qualitative analysis was proposed, and its deflection and stress formulas under the freely supported condition were set up. based on an off - axis aspherical primary mirror, the relationship of aspherical surface error ( rms ) in tangential plane with bended beam ’ s radius r, position s of concentrated load p and geometry length l of arc was analyzed

    根據這一設想，本文建立了超薄鏡的數學模型?薄殼，並提出了強制力作用下超薄鏡的簡化模型?曲梁，推導了曲梁在簡支情況下受力變形的撓度公式，並結合一個實例，計算出曲梁變形后與所需非球面的面形殘差（ rms ）在子午方向與曲梁弧長l 、曲梁半徑r及集中力位置s的關系及滿足面形精度的r和s范圍，分析了弧矢方向的rms ，得出了同時滿足子午和弧矢方向面形要求的l 、 r和p 。
  12. In this paper, we summarize the present testing level of optical aspheric surface, expound the principle of laser wavelength scanning interference testing method, and analyze the laser that can be tuned, and we also study the change of wavelength. further more, we achieve the elementary design of experiment device, curtly introduce the method for interference fringe processing and image processing by matlab

    本文對目前國內外的光學非球面的測量現狀作了概略的敘述，給出了激光波長掃描干涉測試方法的原理，對波長可調諧的激光光源進行了分析，對激光器波長的變化進行了研究，對實驗裝置進行了初步的設計，對干涉條紋圖處理方法進行了研究，並通過編寫matlab軟體語言對干涉圖進行了數字化處理。
  13. In this paper, we summarize the present testing status of optical aspheric surface, expound the principle of laser wavelength scanning interference testing method, and analyze the laser that can be tuned, and we also study the change of wavelength. further more, we achieve the elementary design of experiment device, and curtly introduce the method and principle for interference fringe processing

    本文對目前國內外的光學非球面的測量現狀作了概略的敘述，給出了激光波長掃描干涉測試方法的原理，對波長可調諧的激光光源進行了分析，對激光器波長的變化進行了研究，對實驗裝置進行了初步的設計，並對干涉條紋圖處理的方法和原理進行了簡單的介紹。
  14. This paper contains three chapters. we discuss the pinching problems on the length of the second fundamental form of compact space - like submanifolds mn with unit parallel mean curvature vector in the de sitter space spn + p. in particular, a sufficient condition for mn with constant scalar curvature to be totally umbilical is given

    討論desitter空間s _ p ~ （ n + p ）中具有平行的單位平均曲率向量的緊致類空子流形m ~ n的第二基本形式長度拼擠問題，給出了具有常數量曲率的這種子流形是全臍球面的一個充分條件。
  15. Long service life : eccentric structure of sealing surface achieves the self - compensation for abrasion of sphere seal to maintain the valve sealability and stop the valve from leakage due to abrasion after used for some tome, thus bringing about a long service life

    使用壽命長：密封面的偏心結構，使球面密封能自動補償磨損，保持閥門的密封性能，使用壽命長，不會在使用一段時間后因磨損而產生泄漏。
  16. Three improvements were proposed. that is : coding the chromosome with floating point numbers, selecting different optimal strategy according to the electric dimension of the target, utilizing subsection varying parameter genetic algorithm to avoid trapping in premature convergence. the optimization time was saved significantly after adopting these methods

    針對球面和半球面結構的雷達吸波材料優化設計時間長，提出三點改進方法：染色體採用浮點數編碼；依據優化目標的電尺寸採用不同的優化策略；優化過程中採用分段變參數的優化方法。
  17. The natural scale of a chart is the ratio of a length measured on the chart to a corresponding length measured on the surface of the earth and is expressed as a fraction

    海圖的基準比例尺是圖上一個單位長度與其對應的球面上長度的之比，用分數表示。
  18. This research is aim at putting forwarding laser wavelength scanning interference testing method. processing and analyzing instantly - read interference pattern corresponding with continuous varying wavelength, the method overcomes the following disadvantage. for example, the longer referenced and measuring optical circuit in big - scale high - accuracy asphere testing, and the sensitive interferential system to the disturb, such as the oscillation of worklable, dithering of air, and so on

    研究的目的主要是針對大型高精度非球面面形檢測中干涉儀的參考光路和測量光路較長，干涉系統對工作臺振動和空氣抖動等外界干擾因素的影響敏感，干涉圖不穩定等問題，提出了激光波長掃描干涉測試方法，該方法通過對瞬間讀取的、與連續變化波長對應的干涉圖的處理和分析，克服了上述缺點，為大型高精度非球面的檢測提供了一種適用的方法。
  19. The paper studies mainly a new kind of measure method of aspheric surface - laser wavelength - scanning interference testing. this research is aimed at putting forwarding laser wavelength scanning interference testing method. processing and analyzing instantly - read interference pattern corresponding with continuous varying wavelength, the method overcomes the following disadvantage : the longer referenced and measuring optical circuit in big - scale high - accuracy asphere testing and the sensitive interferential system to the disturb, such as the oscillation of worktable, dithering of air, and so on

    研究的主要目的是針對在大型高精度非球面面形檢測中干涉儀的參考光路和測量光路較長，干涉系統對工作臺振動和空氣抖動等外界干擾因素的影響敏感，干涉圖不穩定等問題，提出了激光波長掃描干涉測試方法，該方法通過對瞬間讀取的、與連續變化波長對應的干涉圖的處理和分析，克服了上述缺點，為大型高精度非球面的檢測提供了一種適用的方法。
  20. Insert ball bearing units with cast iron housings are all relubricable types equipped with grease fittings to secure full performance and longer service lift of the units under any operating conditions

    帶鑄鐵外球面球軸承都帶有油嘴，可重新潤滑，保證在任何工作環境下具有完美的性能及長的使用壽命。
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