Axonometric drawing and spherical triangle combined to solve space Angle has the characteristic of high precision and produces rapid solution.
用轴测投影图与球面三角相结合求解空间角度，具有精度高和解题迅速的特点。
The advanced research and application of thin spherical shell joints used in space trusses and grid shells is presented in this paper.
本文对应用于空间网架、网壳结构的薄壁球壳节点的研究进展进行了综合述评。
The propagation of spherical electromagnetic wave(SEW) in a time-varying media of multidimensional space were studied.
研究了球面电磁波在多维空间时变媒质中的传播特性。
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