economical-technical analysis 经济技术分析
economical and technical analysis 经济和技术评价
technical economical analysis 技术经济分析
Two mathematical models of economic benefit change were simulated. As a result of technical economical analysis, the optimal economic life-span was found to be about 33 years old.
从资金利用和土地利用两个方面模拟出槾桔生产经济效益变化的数学模型，经过技术经济分析，找出槾桔树的最佳经济寿命为树龄33年左右。
Therefore, technical renovation was carried out for solving these problems, and option comparison and economical analysis were conducted.
针对此问题进行了技术改造，并进行了方案比较及经济分析。
The analysis of electric project planning includes three aspects: social feasibility, technical feasibility and economical feasibility.
电力规划方案的论证应从社会可行性、技术可行性、和经济可行性三个方面进行分析。
应用推荐