动词voidnullify

及物动词validate

1. 无效：比如,当你在屏幕上按下一个按钮后,UI线程会把这个事件分发给刚按得那个按钮,紧接着按钮设置它自身为被按下状态并向事件队列发送一个无效(invalidate)请求.

2. invalidate什么意思

2. 使无效：linearity circuit 线性电路 | invalidate 使无效 | ethyl glycol 乙二醇一乙醚的简称 [俗]溶纤剂

3. 使无效使作废使无价值：invalid 无效的 | invalidate 使无效;使作废;使无价值 | invalidate 使无效使作废使无价值

4. 使失效：identification and traceability maintenance and replacement 识别和可追溯性维护与替换 | invalidate 使失效 | market survey 市场调研

1. 驳倒;证明…站不住脚
    To invalidate something such as an argument, conclusion, or result means to prove that it is wrong or cause it to be wrong.

invalidate

    e.g. Any form of physical activity will invalidate the results...
           任何形式的物理活动都会证明这些结果是错误的。
    e.g. Some of the other criticisms were invalidated years ago.
           其他的一些批评多年以前就被证明站不住脚。

2. 使无效;使作废
    If something invalidates something such as a law, contract, or election, it causes it to be considered illegal.

    e.g. An official decree invalidated the vote in the capital...
           一份官方法令宣布在首都举行的投票无效。
    e.g. A contract signed now might be invalidated at some future date.
           现在签订的合同可能在将来的某一天就会失效。

1. take away the legal force of or render ineffective

    e.g. invalidate a contract

    Synonym: voidvitiate

2. show to be invalid

    Synonym: nullify

3. make invalid for use

    e.g. cancel cheques or tickets

    Synonym: cancel

4. declare invalid

    e.g. The contract was annulled
           void a plea

    Synonym: annulquashvoidavoidnullify