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。
The ground - based simulation tests demonstrated that the space dust collision could result in the damage of the above materials and elements to different extent.
地面模拟试验表明，空间粉尘高速撞击下对这些材料与元器件会产生不同程度的损伤。
In this paper, using ground-based simulation facilities, the vacuum thermal cycling test was carried out on the epoxy construction adhesive.
本文利用空间环境效应地面模拟设备对环氧结构胶粘剂进行了真空热循环试验。
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