There are not only direct costs but also fixed and variable cost when calculating cost of production.
在产品成本中不仅仅包括直接费用，而且还包括固定和变动间接费用。
The calculation of variable conversion cost is an important part of production planning optimization in the petrochemical industry.
可变加工成本的计算是石化企业生产计划优化中的重要组成部分，与企业利润直接相关。
The multi-rate variable well testing can weaken wellbore storage, shorten test time and economize the cost of test, and the contradiction between test and production is also solved to some degree.
多级变流量试井可以减少井筒储存效应，缩短测试时间，节省成本，使试井与生产的矛盾在一定程度上得以缓解。
Applying Cobb-Douglas Production Function and the time variable, the author creates a metrological model of staff turnover cost for precise calculation as well as positive studies.
运用柯布—道格拉斯生产函数，引入时间变量，创建了员工流失成本计量模型，精确计量员工流失成本并运用此模型进行实证分析；
The firm shuts down if the revenue it gets from producing is less than the variable cost of production.
如果从生产中获得的收益小于生产的可变成本，企业就会停止营业。
In this paper, the generic CPLP problem is developed and the production scale decision-making variable and corresponding cost are considered.
在一般的带建站费用有容量约束的选址研究的基础上，增加了生产规模决策项和生产规模投入成本。
In this paper, the generic CPLP problem is developed and the production scale decision-making variable and corresponding cost are considered.
在一般的带建站费用有容量约束的选址研究的基础上，增加了生产规模决策项和生产规模投入成本。
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