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  3. Psychological techniques used to lessen the effort involved in a given job include a detailed study of the motion required to do

Psychological techniques used to lessen the effort involved in a given job include a detailed study of the motion required to do

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问题 Psychological techniques used to lessen the effort involved in a given job include a detailed study of the motion required to do the job, the equipment used, and the conditions under which the job is performed.
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答案心理学技术过去常常用于减少给定工作所需的努力，包括对做这项工作所需的动作进行的详细研究、使用的设备和做这项工作所需要的条件。
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成人本科学位英语

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