The air velocity has little effect on the initial frost crystal shapes.
空气流速对初始霜晶形状的影响不大。
The crystal shapes and surface structures of synthetic diamonds have been investigated with SEM.
本文采用SEM技术研究了人造金刚石的晶体形态及表面结构。
In this paper, The preparation techniques and partial performances of different crystal shapes' ultra fine RDX was studied.
本文针对不同晶体形貌的超细rdx的制备技术及其部分性能进行了研究。
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