了解汽车制造行业职业危害和作业工人健康状况，探讨职业病危害因素的联合作用，提出进一步完善现行职业卫生标准建议。

Objective:To investigate the occupational hazard factors in the process of production in a oil-field, and analysis the degree of the endanger.

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现行条件下，计量高等职业院校教育成本的现实方法是利用会计资料进行转换计算。

Under current conditions the practical approach to measuring educational cost of higher vocational colleges is convertible calculation by using accounting information.

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本文首先介绍了我国职业足球转会制度的历史沿革和现行转会制度的主要内容。

Firstly, the thesis introduced the history and present situation of Chinese professional soccer transfer system.

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