原理很简单：一个在之前的强地震中断裂的断层带，一旦再次聚集了足够大的压力后，将可能再次引发同等级别的地震。
The principle is simple: a fault segment that has ruptured in a large quake in the past will-once enough strain has again accumulated-likely fail again in a similar-size earthquake.
简单双原子分子CO与过渡金属间的相互作用，可能导致化学键的断裂与形成，并且引发重要的表面催化反应。
The interaction between simple diatomic molecules such as CO and transition metal surfaces may lead to breaking and making chemical bonds and trigger important surface catalyzed reactions.
目前已提出的韧性断裂准则预测板料成形极限，只在简单轴对称件中得到应用。
At present, some ductile fracture criteria are applied only to predict the forming limit in stamping forming of simple axisymmetric part.
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