Chinese scientist Yuan Longping, renowned or developing the first hybrid rice strain, died of organ failure at 91 on May 22nd, 2021.

中国著名的杂交水稻科学家袁隆平于2021年5月22日因器官衰竭去世，享年91岁。

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At the same time, some scientific hypotheses of the damage evolution equations and stress-strain relationship as well as the failure mechanism of rock mass are also proposed.

同时，也为进一步建立岩体结构合理的损伤演化方程、本构关系和研究岩石破坏机理提供了科学依据。

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The SCC is a delayed failure, it means the crack initials and propagates at a slow strain rate until the stress reaches the fracture strength.

应力腐蚀开裂是一种延迟失效，它意味着裂纹的缩写，并在一个缓慢的应变率传播，直到应力达到断裂强度。

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