施工质量的好坏不仅影响工期，而且关系到建筑物安全问题，严重者甚至重新返工，造成大量的经济损失。

Meanwhile, construction quality is not only important to project period but also influence on the security of building. Rework may cause amount of economic loss.

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另外，修改一个已分配资源的在此任务上的工作时间百分比，也会影响到任务的工期。

In addition to the number of assigned resources, the scheduling of effort-driven tasks is affected by the percentage of a resource's time that is allocated to that task.

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主厂房系统爆破开挖程序和开挖方法，最直接地影响着整个工程工期、质量、安全及成本。

The excavation sequence and excavation method of the main carven system affect directly the completion date, quality, safety and cost of the project.

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