The optimizing model of the rainwater collecting irrigation system has been developed based on technique and economic aspect.
从技术、经济两方面对雨水集蓄灌溉利用系统进行了分析研究，建立了系统优化模型。
The stochastic simulations indicate that the optimizing IS-LM-PC model is a good tool for economic analysis and policy-simulation.
实证研究表明，基于优化的IS - LM - PC模型是经济分析及政策模拟的一个有力工具。
Basic principle of technology economy was applied for building optimizing economic evaluation model of low permeability gas reserves, and it is a simple method.
运用技术经济的基本原理，建立了低渗透气藏储量最优经济评价模型，为低渗透气藏储量经济评价提供一种简便的方法。
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