以下为句子列表:
英文: It is very important to study the correlation of cyclical strain on the side of hole with fatigue life cycle for understanding the material damage and micro-crack initiation, and for preventing macro-crack initiation and propagation.
中文: 研究孔边循环应变与疲劳循环次数的相关性,对于研究材料损伤及微裂纹的产生,预防宏观裂纹的产生及扩展具有十分重要的意义。
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