求翻译：人员定编定岗、员工绩效管理与提升、员工培训与发展是当今人力资源管理工作的三大主要方向是什么意思？

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Staff set laid-off employees, performance management and promotion, staff training and development are today's human resources management in the 3 major directions

The personnel establishes a table of organization establishes job functions and responsibilities, the staff achievements management and the promotion, staff training and the development is now the human resources supervisory work three big main directions

Personal fixation, employee performance management and promotion, staff training and development is the human resource management of three main directions

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