经济分析结果表明，油罐热力系统冬季退出运行后，原油输送成本降低，节能降耗效果显著。
The economic analysis results have shown that the transportation cost of oil and energy consumption decrease after the heating system of tanks get out operation.
运行实践表明，实现状态维修能节省成本，减少故障．提高电厂安全经济运行水平。
Operatio practice showed that the realization of state maintenance could save cost, reduce faults, and improve safe and and economic operation level of power plant.
运用卫生经济学成本效益、成本效果、成本效用的理论，研究我军医院经济管理评价体系及运行模式。
Based on the cost and profit, cost and result, cost and avail theory of health economy, this paper studys the evaluation system of hospital economy management and its mode.
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