annual-cost method of comparison 年成本比较法
equivalent annual cost method 等值年成本法
the dynamic annual cost method 年计算费用法
In the last part, using the method of annual cost, the article made analysis of solar heating system and other conventional energy system in economy as well as environmental benefits.
最后利用费用年值法对太阳能采暖系统以及其他常规能源系统进行经济性分析与环境效益分析。
Based on the calculation of annual fixed expenditure and annual running cost, compares some heat and cold source schemes with annual current expenditure method.
用年经常费用法对几种冷热源方案的年固定费用和年运行费用进行了计算比较。
The concept of the method of annual cost for equipment is clearer and its calculation is simple and convenient, and thus it is easy for the ordinary hotel managing staff to accept and grasp.
设备年度成本方法的概念比较清楚，计算简单方便，易为普通饭店设备管理人员所掌握。
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