积分在短时蠕变和长时间蠕变条件下是路往无关的，而在过渡蠕变时期，其与路径也只是弱相关。
The J integral is path-independent for the short time creep and long one, while in the transition period, it is weakly path-dependent.
积分在短时蠕变和长时间蠕变条件下是路往无关的，而在过渡蠕变时期，其与路径也只是弱相关。
The J integral is path-independent for the short time creep and long one, while in the transition period, it is weakly path-dependent.
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