题目内容
[背景]通过检查分析，如果发现原有进度计划已不能适应实际情况时，为了确保进度控制目标的实现或需要确定新的计划目标，就必须对原有进度计划进行调整，以形成新的进度计划，作为进度控制的新依据。[问题]1．施工进度计划调整的具体方法有哪两种？2．通过缩短网络计划中关键线路上工作的持续时间来缩短工期的具体措施有哪几种？ 具体做法是什么？
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