英语词汇“period of validity”的意思、用法、释义、翻译、读音、例句、短语、词组-英汉翻译词典

单词	period of validity
释义	period of validity un.有效期；预报时效 [网络]有效期限；证件有效期；保质期
随便看	deflection computer deflection condenser deflection cone deflection constant deflection control deflection control tube deflection correction deflection crash switch deflection criterion deflection current deflection current amplifier deflection curve deflection-curve deflection curve differential equation deflection defocusing deflection defousing deflection device deflection diagram deflection difference deflection differences deflection, digital deflection display deflection distance deflection distortion deflection distortion correction (pattern distortion correction)

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