协同效应 synergy ; Synergy effect ; [物化] cooperative effect

有效同意 valid consent

同城效应 binding the two major municipalities as one ; one-city effect

绩效同比变化 year-over-year percentage change

坚持优化协同高效 enhancing synergy

同效维生素 vitamer

合同有效期 contract life ; duration of contract ; [法] life of contract ; terms of contract

效同人工值机柜台 CAPSS

等效同步电流 effective synchronous reactance

有效合同 valid contract ; binding contract ; active contract ; valid or enforceable contract