大家都搜：
经济调查
1、incident investigation───事故调查
2、investigation report───调查报告书
3、investigation discovery───调查发现
4、further investigation───进一步调查
5、economical───adj.经济的；节约的；合算的
6、investigation───n.调查；调查研究
1、Investigation method is commonly used in physical education research, because it's economical and practical.───调查法是体育科研中常见的一种科研方法，它具有经济性、实效性等特点。
2、Investigation into its explosive power and corresponding regulations is the theoretical basis for explosion suppression and prevention technologies and is of important academic and economical value.───深入研究因事故泄漏所引发的可燃气云爆炸威力及其相应的规律，是创立抑制和预防此类工业灾害技术的理论基础，具有重要的学术价值和社会经济价值。
3、Technical and Economical Investigation into China's Copper Processing Industry───我国铜加工工业技术经济研究
4、The result indicates that electrical prospecting is a economical and effective means for prospecting hidden fault in alive fault investigation in Changchun City?───结果表明，在长春市活断层调查中，电法是探测隐伏断裂既经济又有效的重要手段。