焦橢圓 的英文怎麼說

中文拼音 [jiāotuǒyuán]
焦橢圓 英文
focal ellipse
  • 焦 : Ⅰ形容詞1 （物體受熱失去水分 呈現黃黑色並發硬、發脆） burnt; scorched; charred 2 （著急） worried;...
  • 橢 : Ⅰ形容詞（卵形） oval-shapedⅡ名詞[書面語] （長圓形的容器） elliptic vessel
  • 橢圓 : [數學] oval; oval shaped; ellipse; ellipsoid橢圓規 ellipsograph; [圖] elliptic trammel; 橢圓軌道 ...
  1. The earth revolves around the sun in an ellipse with the sun at one of the foci.

    地球在以太陽為焦點的橢圓上圍繞太陽公轉。
  2. The orbits of the planets are ellipses with the sun at one focus.

    行星的軌道是以太陽作為焦點之一的橢圓。
  3. If the objective lens is closer to the compact disk than the focal length of the object lens, then the cylindrical lens creates an elliptical image on the photodetector array

    如果物鏡與光盤之間的距離短於物鏡的焦距，柱面透鏡就會使在光電探測器陣列上的成像變成橢圓影像。
  4. If the objective lens is further away from the compact disk than the focal length of the object lens, then the cylindrical lens again creates an elliptical image on the photodetector array

    如果物鏡與光盤之間的距離長於物鏡的焦距，柱面透鏡也會使在光電探測器陣列上的成像變成橢圓影像。
  5. On the ground of educative theory, this paper exposits connotation and characteristic of project - based learning and why we should also enforce project - based learning in high school. as far as substance of project - based learning and objective circumstance what it should have are concerned, it points out the practical ability. at last, based on that university physics education has relatively longer cycle, it proposes stage pattern for enforce project - based learning and give two concrete cases, which discuss capacitance of confocal oval - shaped stylar capacitor and potential distribution of charged conductor of surface being uniparted hyperboloid

    本文在具體的教育理論指導下，闡述了研究性學習的內涵及特點；在大學物理中實施研究性學習的意義；以及就研究性學習的實質和所需具備的客觀條件而言，論述了研究性學習在高校中實施的可行性；並根據大學物理教育具有周期性相對較長和專業循序漸進的特點，提出了研究性學習的階段性模式，並給出了具體的實例，利用保角變換法討論了共焦橢圓柱形電容器電容及單葉雙曲面帶電導體的電位分佈。
  6. ( 2 ) the causation that the caustic phenomena of electromagnetic wave propagation in two - dimension concave reflectors occurs and the types of singularities in caustic fields are investigated, and the conclusion that there are two types of singularities ( fold and cusp ) in caustic fields in two - dimension concave reflectors is obtained ; by symplectic geometrical method, formulations of computing wave fields in and far away from caustic fields in two - dimension concave reflectors are deduced, and the results are plotted in pictures. ( 3 ) the cause of the caustic phenomena of electromagnetic wave propagation in three - dimension concave reflectors and the types of singularities in caustic fields is discussed, and the conclusion that there are three main types of singularities ( fold, cusp and swallowtail ) in caustic fields in three - dimension concave reflectors is obtained ; by symplectic geometrical method, the formulae of computing wave fields in and far away from caustic fields in three - dimension concave reflectors are deduced. particularly, the wave fields in ellipsoid concave reflector are computed, and the results displayed in special sections are given

    論文主要包括三個方面： （ 1 ）分析了凹面反射的焦散現象，給出了不同凹面反射的焦散圖； （ 2 ）分析了二維凹面反射波動場焦散現象產生的原因及焦散區奇性的種類，得出了二維凹面反射波動場焦散區奇性主要有折疊（ fold ）和尖點（ cusp ）兩種的結論，利用辛幾何方法構造了圓錐曲面反射波動場非焦散區和焦散區的通用計算公式，並給出了圓柱面、橢圓柱面及雙曲柱面反射的計算結果； （ 3 ）分析了三維凹面反射波動場焦散現象產生的原因及焦散區奇性的種類，得出了三維凹面反射波動場焦散區奇性主要有折疊（ fom 、尖點kusp和燕尾k ）三種的結論，提出了利用辛幾何方法計算三維凹面反射波動場非焦散區和焦散區的計算方法，並給出了三軸不等橢球體凹面反射波動場的計算結果剖面圖。
  7. The slow - wave characteristics neglecting and taking account of space harmonics ( sh ) for periodically iris - loaded confocal elliptical waveguides are analysed, and the dispersion equation and the mean coupling impedance of this structure are obtained by

    分析了周期膜片加載共焦橢圓波導，在考慮空間諧波和不考慮空間諧波兩種情況下的慢波特性。應用場匹配方法得到這種結構的色散方程和平均耦合阻抗。
  8. Its fundamental is that the ray emitted from a focus ( front ) of elliptical will flock together on the other focus ( back ) by the reflection on the elliptical surface. we set a scatter aperture on the back focus

    橢圓柱面的前焦線上是射線源，晶體固定在一個橢圓基底上，其表面構成一橢圓柱面， x射線經晶體衍射后會聚於後焦線上。
  9. The body travels in an ellipse, the fixed point being at on focus. the speed is greatest when body is near the focus, less when it is farther away

    物體沿著固定點在一個焦點上的橢圓軌道運動。當運動物體靠近這一焦點時其速度最大，而當它遠離時則速度變小。
  10. Firstly, we discuss the basic theory of the x - ray diffraction for crystal and the crystal spectrometer in detecting x - ray. utilizing the outstanding merits of the focus - bend - crystal spectrometer. tcecs ' s resolving power is enhanced greatly by introducing the elliptical crystal

    本論文首先討論了x射線受晶體衍射的基本理論以及晶體譜儀在x射線探測中的應用，利用聚焦型彎晶譜儀在進行x射線探測中應用的突出優點，加以改進，採用橢圓彎晶結構，大大提高了譜儀的解析度。
  11. The amplitude values at a certain moment in a seismic record received at a shotpoint and a detection point might come from reflections of various points on an underground ellipsoid, which has the shotpoint and the detection point as its focuses, and the connected line of the shotpoint point and the detection point as its major axis

    摘要一個炮點和一個檢波點接收的一道地震記錄上某一時刻振幅值，它可能來自地下一個橢圓面上各個點的反射，該橢圓面以炮點和檢波點為焦點，炮點和檢波點的連線為長軸。
  12. In terms of efficiency in energy consumption, traveling among planets in straight lines not from desirable. today, space probes customarily make use of hohmann transfer orbits and gravity assists in their interplanetary endeavours. this method, though still quite costly, does help to save fuel to a certain extent

    在太陽系的行星中穿梭，直線航行並非理想的路線，現在的探測船均使用赫曼轉移軌道以太陽為焦點連接行星的橢圓軌道，再配合行星推助的技術航行探測船經過行星時偷取行星的能量加速或減速。
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