以下为句子列表：
英文: Abstract: According to the similar nature of gravitational field and electrostatic field, using analogy method, the stress tensor in gravitational field is obtained from Maxwells stress tensor in electrostatic field, and the universal gravitation inside t
中文: 文摘:根据引力场和静电场的相似性质，通过类比方法由静电场的麦克斯韦应力张量得出了引力场中的应力张量，并用它计算了均质球体内部的万有引力.
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英文: The latest experimental results of rock creep were used: the third invariant of deviator stress tensor had greater effect on creep properties; the stress threshold of lateral creep of rock was 20%~40% less than that of axial creep of the same rock.
中文: 文中应用了课题组近期岩石流变实验研究的结果：应力偏量第三不变量对岩石蠕变影响显著；岩石侧向蠕变的应力阀值比轴向蠕变应力阀值低20%~40%。
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