The need for training is determined by the employee's performance deficiency.

是否需要进行培训是由员工的绩效表现是否理想来确定的。

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Changes in egg shape, flock performance, and characteristics of occurrence were observed in caged layers affected by early calcium deficiency.

本文对专业户笼养蛋鸡早期钙乏症所出现的蛋形变化、鸡群表现，发生特点过行了观察。

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The article introduces process and structure of the tilting furnace, enumerates the main performance parameters and points out its advantage and deficiency.

本文介绍了倾动炉精炼杂铜的工艺过程及倾动炉的炉体结构，列举了倾动炉的主要性能参数，并指出其优点及不足。

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Our informal review of hundreds of manager deficiency letters issued by the SEC suggests that performance misrepresentation is the single most frequently cited violation.

FORBES: Freakonomics: The Hidden Side of Managing Money ( September 2, 2005 )