economic ill经济病症economicadj.经济学的；经济的；有利可图的economic management experiment经济管理类实验economic roles and regulations经济法Economic Cooperation Committee经济合作委员会economic and national security经济和国家安全economic equipment life-span设备经济寿命economic and technical indexes经济技术指标economic and financial circles财经界economic system transformation经济体制转轨economic law of term formation术语形成经济律economic non-prominent scale非显著规模经济性