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period of validity是什么意思

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period of validity是什么意思
period of validity是什么意思
period of validity
period of validity
有效期;
例句:
1.
Because this or need amounts are very important, that period of validity can not exceed 5 day.
由于此或需求量甚大,所以该盘有效期不能超过5天.
2.
"False and misleading advertising related to product quality, components, property, purpose, manufacturer, period of validity and place of production is prohibited. While selling goods, enterprises are prohibited from compelling buyers to purchase unwanted goods as preconditions of a sale or placing other irrational conditions on buyers."
禁止利用广告对商品的质量、制作成份、性能、用途、生产者、有效期限,产地等作引入误解的虚假宣传.经营者销售商品,不得违背购买者意愿搭售商品或附加其他不合理的条件.
3.
Article 46 the accreditation certificates shall include the scope, standards and fields of accreditation and the period of validity.
第四十六条认可证书应当包括认可范围、认可标准、认可领域和有效期限.