At present, the control of manpower responsibility cost is a difficult point of enterprise cost management and control in the construction of railway engineering projects.
目前铁路工程建设施工中人工责任成本的控制是企业成本管理与控制的难点。
More and more cases need to solve the dispute through the scientific evidence, and scientific evidence construction of system evidence difficult point of evidence system of various countries.
越来越多的诉讼案件需要借助科学证据解决争端，而科学证据制度的构建是各国证据制度的难点。
The difficult excavation is a difficult point in construction of wind-blown sand tunnel, thus, to ensure smooth going of excavation is a stress of excavation work.
风积砂隧道的施工难点是开挖难，如何保证开挖工作的顺利进行就成为开挖工作的重点。
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