In the "finished" use, the past perfective denotes an action or state already in completion before a specific past.

过去完成体的“已完成”用法表示一个动作或状态在过去某时之前已经完成或结束。如。

youdao

This method may use in revision and perfection of quota in completion time of project, and use in the decision and management of completion time of project.

此方法可应用于工程项目建设工期定额的修订与完善，以及建设工期定额的执行和建设工期的决策与管理。

youdao

Report of quality evaluation for unit project is a important content in supervision works and it is also a important part in completion acceptance information.

单位工程质量评估报告是一项重要的监理工作内容，也是竣工报验资料的重要组成部分。

youdao

Its completion represented an important step in Kahn's professional life.

VOA: special.2009.12.13

If I charged the reactor in this manner, and of course I'm assuming 100% completion of the reaction which we know is overly optimistic.

如果我们这样来考虑这个反应的前提，就是我们假设,反应完全进行,我们知道这有些过于乐观了。

麻省理工公开课 - 固态化学导论课程节选

They were offered in thanksgiving or upon the successful completion of a vow.

在感恩节供奉,或者达成一个誓言的时候供奉。

耶鲁公开课 - 旧约导论课程节选

Phase Two will culminate in completion of subway lines that will extend to the southern part of Delhi by September 2010.

FORBES: Delhi's Subway Builder

Vick is having his best season of his career on the field and is poised to set career highs in completion percentage, passing yards and touchdowns.

FORBES: Is Michael Vick The Face Of The NFL?

The fatal tower block fire triggered a dramatic increase in completion of fire risk assessments, but questions have been raised about how credible those assessments were, the coroner heard.

BBC: Lakanal House Fire: 'No fire risk assessment' done of tower