... globular projection 球形投影; 球状投影; 全球投影 gnomonic projection 球心投影; 极平投影 gradient projection 梯度投影 ...
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根据极平投影作晶体图和计算机绘图原理，本文建立了一种新的晶体形态计算机绘图系统。
According to the principle of V. Goldschmidt 's gnomonic projection and crystal computer graphics, a new system of computer graphics of crystal shape is presented in the paper.
赤平极射投影还要有其他的作图方法加以补充。
The stereographic projection must be supplemented by other constructions.
对随机发育的岩体结构面，赤平极射投影是确定优势结构面及分析边坡潜在破坏模式的基础。
As far as the stochastic rock mass plane is concerned, the method projection on equator plane is based on ascertaining preferred plane and analyzing latent destroy pattern of slope.
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