求翻译：绩效考核是一个复杂的系统工程。其涉及医院管理的各个环节， 需要整个管理团队的通力协作。因此， 在做绩效考核时院管理层必须对其有充分的认识。是什么意思？

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Performance appraisal is a complex and systematic project. It involves all aspects of hospital management needs of the entire management team collaboration. In doing so, performance assessment, hospital management must have a good understanding of it.

The achievements inspection is a complex systems engineering.It involves the hospital management each link, needs the entire management team the concerted effort cooperation.Therefore, when makes the achievements inspection the courtyard management level must to it have the full understanding.

Performance appraisal is a complicated project of systems engineering. It involves all aspects of hospital management requires teamwork of the entire management team. Therefore, when doing performance appraisal management must fully understand them.

Performance appraisal is a complex system engineering. It covers all aspects of hospital management, the management team need to work together. So, when do performance appraisal of its hospital management must have a full understanding.