采用晶面的极射赤面投影方法，从理论上绘制了一套不同立方晶体的理论电子通道图。
A set of ideal ECP maps for different cubic crystals was theoretically delineated by using the sterographical projection method of crystal planes.
我们绘制了该晶体的结构投影图和孪晶结构示意图。
The projection of KPB crystal structure and schematic diagram of twinning structure have been drawn.
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.
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