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Localized version

始终要求进行响应重新验证，但在响应上既未设置 Last-Modified 也未设置 ETag 标头。
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English version

Response revalidation is always required but neither Last-Modified nor ETag header is set on the response.
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Localized version
 Chinese (Simplified) Legacy

Error category
 .Net Framework

Other localized versions
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