《英文msh词典》Sectors,Tertiary
[入口词] Sectors,Tertiary
[主题词] Industry
[英文释义] The aggregate of manufacturing or technically productive enterprises in a particular field,often named after its principle product,as the automobile industry,the steel industry. It includes the ownership and management of companies,factories,industrial plants,etc. (From Random House Unabridged Dictionary,2d ed)