有效 的英文翻译

availability

be good for

efficiency

in effect

有效 的中文句子和英文句子

这张票已过了有效期，现在作废了。

This ticket has passed its expiration date, and so it is now invalid.


有效的防卫是不待对方导弹击中我们而先行将其拦截.

Effective defence is a matter of intercepting their missiles before they can reach us.


银行发的支票保付卡不是有效的身份证明文件。

A credit card is not a valid proof of identity.


遗嘱检验文件遗嘱有效的法律证明文件

Judicial certification of the validity of a will.


有效力的酒；有效力的毒素

Potent liquor; a potent toxin.


这些法律仍然有效。

The laws are still in vigor.


确认确认他人的存在、有效性、权威或权力

Recognition of another's existence, validity, authority, or right.


董事会注意到维持有效通讯的需要，因此决定建立一个新的通信网。

Mindful of the need to maintain efficient communication, the board of directors decided to construct a new communication network.


他失败了许多次，但终于发现了有效的预防小儿麻痹症的疫苗。

He failed many times but he finally broke through to find a successful polio vaccine.


验证协议的程序，它从一个给定的初始状态机械地产生出一切可以到达的状态，并且审查每一状态下用户定义的条件的有效性。

A program for protocol verification which mechanically generates all states reachable from a given initial state and checks the validity of user defined conditions in each state.