英语翻译
useful-life
life span; valid period
expiration date; expiring date; expiry date; term of validity; valid period
拓展翻译
有效期限调度
effective dead-line scheduling
有效期
period of validity
useful life
period of validity; validity
有效期间
term of validity
effect time of; time of effect
有效期届满
effect exhaustion of
有效期满
exhaustion of effect
有效期至…
it is valid until...
在油田有效期内摊提
amortize over life field
有效
availability; be good for; efficiency; hold; hold true; in effect
AV; significance
be available; in force
有效γ线放射活动度
effective gamma-ray activity
有效安培
effective ampere
有效半存留期
effective half-life
有效半径
effective radius
有效半字
effective half-word
有效保险
insurance in force
有效保险单
policy in force
有效保证
vaild guaranty
有效倍增因数
effective multiplication factor
有效比
effective ratio
有效臂长
effective rake
有效边限
effective margin