The formation of the channel is initiated when electrons surge from the cloud base toward the ground.
当电子从云层底部涌向地面时,通道就开始形成了。
Based on indoor physical simulation and analyses of fractal geometrical characters, the mechanism of formation and the rule of basic development of the Yuci ground fissures are expatiated.
本文在采用室内相似材料物理仿真模拟试验和非线性分形几何特征分析基础上,论述了榆次地裂缝的形成机理和基本发育特征与规律。
Introduces geological formation for building nature gas storage. Sets forth the rock body for storage building, its major structural face distribution and ground stress distribution behavior.
介绍了建设天然气地下储库的地质基础,阐述了建库的岩体其主要结构面分布及地应力分布特征。
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