...用来决定当缓存中存在一个响应，并且该缓存没有过期失效，是否被允许去利用此响应去回复后续请求而不需要重验证（revalidation）。对于一个不能被缓存或失效的响应缓存，Vary头域值用于告诉用户代理选择表现形式（reprentation）的标准。
基于6个网页-相关网页
双重验证 Two-Factor Authentication ; Two-Factor ; multi-factor authentication
重量检验证书 [经管] Inspection Certificate of Weight ; certificate of weight ; weight certificate
多重验证 Multi Certificated ; Multi-factor Authentication
多重验证过程 Multi-verification Process
重量检验证 inspection certificate of weight ; Weight Certificate
品质、重量检验证书 inspection certificate
装箱重量验证 VGM
重量验证 VGM
数量/重量检验证书 INSPECTION CERTIFICATE OF QUANTITY/WEIGHT
下一期文章将回顾十分重要的验证问题。
In the next installment, I will review the all-important issue of validation.
带着永不疲惫、永不气馁、永不完竭的信念，今天我们重树这样的目标：使我们的国家变得更加公正、更加慷慨，去验证我们每个人和所有人生命的尊严。
Never tiring, never yielding, never finishing, we renew that purpose today; to make our country more just and generous; to affirm the dignity of our lives and every life.
用户还是要象以前一样记住帐号与密码，现在要多一重生物识别验证。
After all, users still have to remember account Numbers and passwords as before, but must now provide a biometric too.
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