In order to achieve the best operating result at the least cost, the marginal cost of administrative law operation should be studied.
为达到以最少的成本支出获取最佳的运行效果，还必须对行政法运行的最佳成本边际问题进行研究。
In the middle-late stages of production, as the deepening of the oil field development, the marginal operation output decrease, the cost increases, and the investment increase, too.
在油田开采中后期，随着油田开发程度的加深，措施作业边际产量递减，措施作业边际费用递增，措施作业增量边际成本递增。
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