New concept of two critical angles was suggested to fracture analysis of a slanted crack. A discussion was especially made of the material choice for small slant angle experiment.
本文提出并应用两个临界角的概念对斜裂纹断裂问题，特别是有关试验的选材问题进行了讨论；
Fracture mechanics. A technique of fracture analysis used to determine the stress level at which preexisting cracks of known size will propagate, leading to fracture.
一门断裂分析技术，用于确定已知尺寸的预先存在裂纹扩展并导致断裂的应力水平。
These fundamental solutions may be applied to linear elastic fracture analysis and consequently they provide a new and effective approach to solve this kind of problem.
这些基本解可以用于线弹性断裂分析，为求解这类问题提供了新的有效途径。
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