通过对样本经费支出的多种统计，得出文科的学科费用系数为1，工科和农科为1.4，理科为1.6，医科和艺术类学科为1.8。

By the sample statistics of funds expenditure, the results are: Liberal Arts 1, Engineering and Agriculture 1.4, Science 1.6, Medicine and Arts 1.8.

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种植业费用生产弹性系数较高，但边际效益逐年递减；

The production elasticity coefficient for plant industry fee is higher, but the marginal efficiency is decreasing year by year.

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综合考虑时间、费用、安全性等因素，提出了代价系数的概念。

This paper brings up the notion of the cost coefficient from a comprehensive survey of the factors such as time, cost and safety.

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