橢球 的英文怎麼說

中文拼音 [tuǒqiú]
橢球 英文
ellipsoid
  • 橢 : Ⅰ形容詞（卵形） oval-shapedⅡ名詞[書面語] （長圓形的容器） elliptic vessel
  • 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...
  1. Introducing the theory and application of boundary element method on the sound radiation, giving the process of solving vibration noise radiation problem using boundary element analysis software ; presenting the coupling theory and the combination analysis of finite element method and boundary element method, and doing relevant analysis based on close drum shell ; programming the noise data simulation program using the numerical calculation software, simulating the acoustic and pressure data of a key point in the transient response acoustic field of the close drum shell, realizing the audibility of the noise, using the virtual reality tools to simulate the vibration noise of the drum shell ; combining the finite element method and boundary element method to analyze the vibration noise radiation of some gear box, and completing the whole simulation process of the vibration noise of the gear box

    綜合介紹了邊界元法在聲輻射問題上的理論及應用；並給出了運用邊界元法分析軟體求解振動聲輻射問題的過程。闡述了有限元法和邊界元法的耦合理論及組合分析方法，並以封閉鼓形薄殼為分析對象進行了相應的分析。利用數字計算軟體編制了噪聲數據模擬程序，並模擬了通過組合方法分析封閉鼓形薄殼瞬態響應聲場而獲得一關鍵點的聲壓數據，實現聲音的可聽化，隨后通過虛擬現實工具實現了該情形下橢球殼振動噪聲的虛擬模擬。
  2. The interrelation between the signs of the birefringence in the planes of symmetry can be deduced from the index ellipsoid.

    各對稱面的雙折射符號之間的相互關系，可以從標準橢球體推定。
  3. Effective moduli of composites based on confocal ellipsoid model

    基於共焦點橢球構型的復合材料有效性質預測
  4. The seeds are reniform, ellipsoid, cordiform or reniform - oblate in shape

    結果表明其種子形狀為腎形、橢球形、心形或腎狀扁球形。
  5. Three dimensional ellipsoidal element dem model of nopd

    的橢球狀散體元建模
  6. The locus e of points is an ellipsoid.

    點的軌跡E是一個橢球。
  7. The earth is a spheroid and not a sphere.

    地球是一個橢球而非球體。
  8. In this way the sphere is transformed into an ellipsoid.

    於是球體變成為橢球體。
  9. The shape of a real 2p orbital is two separated, distorted ellipsoids.

    實2p軌道的形狀是兩個分開的變形的橢球。
  10. In reality the earth is not exactly spherical but rather shaped somewhat like a flattened ellipsoid.

    實際上地球不是精確的球形，而有點象一扁橢球。
  11. Design of ellipsoid surface ornament aluminum sheet

    橢球面裝飾鋁板系統的設計
  12. James - stein type confidence ellipsoid and its covera

    型置信橢球及其覆蓋概率
  13. Post - newton metric inside and outside a rotating oblate ellipsoid

    后牛頓近似下旋轉橢球體的內外度規
  14. The locus e of points is an ellipsoid

    點的軌跡e是一個橢球。
  15. Partially coherent ellipsoid light cage

    部分相干橢球光籠
  16. Aggregate long ellipsoid, 13 cm long, 9 cm in diameter ; pericarp with glaucous lenticels

    聚合果長橢球形，長達13厘米，直徑約9厘米，外果皮有蒼白色皮孔。
  17. The generation of tensor product surfaces of every kind of curves is straightforward ; these corresponding tensor product surfaces also contain many special surfaces, including spherical surface, ellipsoid, hyperboloid etc

    對于每一類曲線作者均將它們直接推廣到張量積曲面，這些曲面可以精確表示球面、橢球面、雙曲面等二次曲面。
  18. The ellipsoidal inhomogeneity with imperfect interface

    具有非完善界面的橢球夾雜問題
  19. The hybrid algorithm raises the convergence rate of the conjugate gradient method and solves the problem for which the convergence rate of the steepest descent method get slower when the isopleth of goal function is oblong

    這種混合優化演算法結合了共扼梯度法和最速下降法產生搜索方向，既提高了共扼梯度演算法的收斂速度，又解決了目標函數的等值線是扁長橢球時，最速下降法下降緩慢的問題，具有收斂速度快、收斂范圍大、適應面廣等特點。
  20. A projection is defined as any orderly system whereby the meridians and parallels of the spheroid may be represented on a plane.

    投影是一種有規律的方法，用來把橢球面上的子午圈和平行圈映射在一個平面上。
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