短語詞組短語sustained increasing yield 持續(xù)增産Sustained periodic yield 定期保續(xù)收獲;定期持續(xù)收獲sustained -yield management 永續(xù)收獲經(jīng)營sustained annual yield working 定期保續(xù)收獲maximum sustained economic yield 最大持續(xù)經(jīng)濟生産量sustained high yield 持續(xù)高産continued maximum sustained yield 最大持續(xù)生産量sustained yield regulation 永續(xù)經(jīng)營調(diào)整 返回 sustained yield