经济方法 econometric methods; economic means; economic method; economical method 紧急旱灾救济方案 emergency drought relief programme ..
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an economical method of heating 一种经济的供暖方法
social economical method 社会学方法
technical economical method 技术经济手段
technical and economical method 技术经济方法
Economical Method for Population 人口经济方法
economical interest method 经济权益法
economical design method 经济设计法
Noise barrier is a kind of effective and economical method to reduce traffic noise.
声屏障是降低交通噪声等流动性声源的一种有效而经济的方法。
It is concluded that to decrease the residue stresses in fabrication is an efficient and economical method.
通过加强制造过程的管理降低残余应力，是经济有效方法之一。
This is a novel, environmentally friendly and economical method for making propylene oxide without co-product.
这是环境友好、无联产品、经济合理的制环氧丙烷的新方法。
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