Definition
n.
period of effectivenessvalidity period(law) statute of limitationsprescriptive period(metallurgy) agingage-hardening treatment
Examples
- ，时效。Zhè fèn hétong de yǒuxiào qī wéi sān nián, yǐjīng guò le shí xiào.The validity period of this contract is three years, and it has already expired.
- 时效。Fǎlǜ guīdìng de shí xiào shì liǎng nián.The statute of limitations prescribed by law is two years.
- 时效。shí xiào chǔlǐ néng shǐ jīnshǔ biàn yìng.Aging treatment can harden metal.
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