catastrophe point

The catastrophe point of the AE rate of concrete material given in this paper is importal for the fracture study.

文中给出的混凝土材料声发射率这一参数的突变点，对混凝土材料的断裂力学研究有重要意义。

According to damage mechanical analysis, the soil body damage level increases with increasing of water content of soil and a catastrophe point of damage variable exists.

引入损伤力学理论对不同含水量土体的损伤影响分析说明，随含水量增大，土体损伤程度加强，并存在损伤变量突变点。

Species interdependence in nature confers many benefits on the species involved, but it can also become a point of weakness when one species involved in the relationship is affected by a catastrophe.

在自然界中，物种的相互依赖给相关物种带来了许多好处，但当其中一个物种受到灾难的影响时，这种依赖也可能成为一个弱点。