effective date〔名词〕实施期详细»
effective date有效日期,生效日期，生效日详细»
effective date〔名词〕生效日期,实施期,有效期详细»
有效期period of validity;term of validity;time of effect详细»
有效期expriation data;term of validity详细»
有效期effective period;period of validity;time of validity详细»
有效期available period;effective date;period of validity;useful life详细»