Gas turbine maintenance cost coefficients have been used for calculating the profitability of power plants equipped with different gas turbines.
采用燃气轮机维护费用因子对选用不同燃气轮机电站的经济性进行计算，并对天然气价格提高的情况也进行了讨论。
The traditional deterministic vehicle scheduling problem (VSP) was expanded into a VSP with fuzzy features. The cost coefficients of the VSP with the features were treated as fuzzy numbers.
将传统的确定性车辆调度问题扩展为具有模糊特征的模糊车辆调度问题。
The expressions of lever coefficients are obtained according to four factors of the sales volume, unit gross profit, period fixed cost, interest in the different conditions.
根据销售量、单位毛利、期间固定成本、债务利息四个因素的不同状态，得到了相应的杠杆系数表达式。
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