Since the aero maintenance cost takes a very great portion of the total operation cost of airlines, it is important to control the maintenance cost effectively for total cost control.
航空维修成本在航空企业总成本中占据非常大的比例，有效控制维修成本对航空公司控制总成本具有重要作用。
Chapter Five is an introduction to the calculation methodology of total cost control, with in-depth discussion of the theories, characteristics and calculation process of total cost accounting.
第五章：高校科研全成本计算法引入，全面阐述了全成本计算法的原理、特点和计算程序。
Tsonga came close to breaking Nadal at 4-4 in the second set. But one forehand and one backhand error, from 15/30, when in total control of the point, cost Tsonga the opportunity.
特松加在第二盘战至4平时很有机会破掉纳达尔的发球局，但是在30比15领先时连续正手和反手的失误，葬送了绝好的破发机会。
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