点源球面结构冲击波是旋转椭球面冲击波的特殊情况。
The point blast induced spherical wave is the especial instance of the ellipsoid shock wave.
这个椭球面的中心和方位就构成了我们所说的大地基准面。
The center and orientation of the ellipsoid is what we call the datum.
对单层椭球面网壳结构的稳定性设计和分析有一定的参考价值。
This has some reference value for the stability design and analysis of the single-layer ellipse reticulated domes.
推导出用三顶点的测地坐标计算地球椭球面上三角形面积的公式。
The formula for area of triangle on ellipsoid by means of geodesic coordinate is derived in this paper.
经推证及试验表明，采用双曲率椭球面反射镜，可以克服上述缺点。
It is shown by proving and testing that the abovementioned shortcomings can be overcome by using the reflecting mirrors with bilateral curvature ellipsoid.
在地图等积投影中，椭球面梯形面积的正、反算方法和精度是关键。
In order to satisfy the requirement of high precision in map equiareal projection, the precise forward and inversion formulas of ellipsoid trapezoid area are studied out according to the basic theory.
本文提供了坐标系统的变换公式，以达到在同一椭球面上进行距离计算。
This paper affords the transformation formula of coordinate systems so that the calculation of propagation range may be carried out on the same spheroidal surface.
为提高分光仪器的性能，采用两个椭球面镜和一个椭球面消像差光栅分光。
To improve the quality of the spectral instruments, two ellipsoidal mirrors and an ellipsoidal aberration-reduced grating are used.
最后提出了当三轴椭球面接近于球面时其面积的一个相当准确的近似表达式。
Finally, a rather precise, approximate formula for the area of the 3 axes ellipsoid when it tends to sphere is proposed.
通常以椭球面作为计算基准面，而测量得到的直线距离不能直接用于椭球面计算。
An ellipsoid is usually chosen for data processing since observed space distance could not be used directly.
GPS测高是利用GPS测量技术以间接和直接的方式测量海平面到椭球面的高度。
The Global Positioning System (GPS) is able to make a direct or indirect measurement of the sea surface position that is so called GPS altimetry.
结合研究的成果，完成了对旋转椭球面和旋转抛物面等非球面工件的加工工艺实验。
Machining test, including turning rotary ellipse and rotary parabola, agrees well with researched conclusion.
应用该方法设计了椭球面、不规则曲面的初始坯料，计算了马鞍型样件的最优成形路径。
Initial blanks for ellipsoidal objective surface and an irregular surface were calculated and the optimum forming path for a saddle objective surface was designed by the presented methods.
设计结果表明，利用旋转椭球面进行大口径取样镜设计可以使焦斑测量具有极高的准确性。
From the result we can see that using this method we can get high accuracy in the focal spot measuring.
针对将大发散角LED的光高效会聚到光纤接收端面的需求，提出了一种椭球面和聚光透镜组合光学系统设计的思路。
With large divergence Angle LED light efficiently converges at the optical fiber receiving end demand, an ellipsoid and focusing lens combination optical system design method is proposed.
针对将大发散角LED的光高效会聚到光纤接收端面的需求，提出了一种椭球面和聚光透镜组合光学系统设计的思路。
With large divergence Angle LED light efficiently converges at the optical fiber receiving end demand, an ellipsoid and focusing lens combination optical system design method is proposed.
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