The quality control point is the common method of the quality prior-control during civil engineering construction.

质量控制点是土木工程施工中对质量进行事前控制的常用方法。

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And to analyse the virtual reference service projects prior control, a matter of control and subsequent control, with a view to strengthening the quality of service control.

并就此分析了虚拟参考咨询项目事前控制、事中控制及事后控制，以期加强服务质量控制。

youdao

And to analyse the virtual reference service projects prior control, a matter of control and subsequent control, with a view to strengthening the quality of service control.

并就此分析了虚拟参考咨询项目事前控制、事中控制及事后控制，以期加强服务质量控制。

youdao