System of teachers can be considered as a manpower system about up-grade.

师资系统可看作是一个等级晋升的人力系统。

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For a high controllable manpower system, manager can choose and apply either outsourcing tactic or employment tactic, and it will be more economical.

可控性高的企业可以结合外包理论，选择使用招聘策略和外包策略，更能实现经济性。

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Management system and manpower are two must factors.

不过管理系统和人力是两个必须的因素。

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"In a way, the designee system is admitting the FAA doesn't have the manpower to do what is required, and also that they may not have the expertise, " said John Goglia, a former NTSB board member and aviation safety expert.

NPR: NTSB Probes Safety Testing Of Boeing 787 Batteries

Manpower costs (to include training) were similarly improved and refined, demonstrating the value of a mature system.

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In recent years, while America's armed services have been hard-pressed to assemble the manpower to fight two simultaneous wars, the number of U.S. soldiers in the military prison system has fallen by 50%, according to the U.S. Department of Justice.

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