并且根据经济分析证明硅藻土改性剂存在明显的综合经济效益优势，具有较大的推广使用价值和研究意义。
Furthermore, this paper considers that diatomite have obviously integrated advantage of economic benefit, biggish application value and research significance by economy analysis.
并以沈阳电厂实际运行数据为例，对其综合经济效益进行分析与估算。
Overall economic benefit is analyzed and evaluated by using the actual heat supply data of Shenyang Electric Power Plant.
分析古建筑的历史、科学和艺术价值，综合考虑古建筑的保护费用与经济效益。
Analyses ancient architecture value of history, science and art, and synthesizes the protection expense and economic benefit.
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