失效的英文

1.(失去效力) lose efficacy; lose effectiveness; cease to be effective 短语和例子
这药已失效了。 the medicine no longer has any effect.2.(无效) (of a treaty, an agreement, etc.) be no longer in force; become invalid 短语和例子
条约的失效 voidance; voidness of treaties; 一张失效的支票 an invalid cheque; 自动失效 automatically cease to be in force; 这张证明已失效。 this certificate is invalid.; 失效保险 fail-safe; 失效检验 failure detection; 失效率 [物理学] failure rate; 失效提单 stale bill of lading; 失效支票 stale check; 失效准则 failure criteria

• 常失效:    constant failure p ...
• 块失效:    block miss
• 声失效:    acoustic malfuncti ...

例句与用法

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1. Your action has rendered our contract invalid .
   你们的这种做法导致双方的合同失效。
2. The medicine no longer has any effect .
   这药已失效了。
3. Fracture is not the only way that a structure can fail .
   断裂并非结构失效的唯一形式。
4. This certificate is invalid .
   这张证明已失效。
5. My passport has run out .
   我的护照已失效。