求助翻译英语

Error 503--Service Unavailable From RFC 2068 Hypertext Transfer Protocol -- HTTP/1.1:10.5.4 503 Service UnavailableThe server is currently unable to handle the request due to a temporary overloading or maintenance of the server. The implication is that this is a temporary condition which will be alleviated after some delay. If known, the length of the delay may be indicated in a Retry-After header. If no Retry-After is given, the client SHOULD handle the response as it would for a 500 response.Note: The existence of the 503 status code does not imply that a server must use it when becoming overloaded. Some servers may wish to simply refuse the connection.以上的英语是什么意思？

错误503 - 来自RFC2068超文本传输协议的服务无法获得 - 即HTTP/1.1：10.5.4503服务无法获得。服务器目前无法处理这个请求，因暂时超负荷或服务器维护。就是说，这是一个暂时的状况。等待一下，就会缓解。如果系统知道延误的时间，就会显示“稍后重试”来给予提示。如果没有显示“稍后重试”，会显示“500响应”，此时需要客户端来处理这个响应。
PS: 显示503状态码不代表在超负荷时服务器必须使用该代码。有的服务器可能更希望简单地拒绝这种连接（宁愿拒绝，也不愿费那个事）。

错误503 - 服务无法从RFC2068超文本传输协议 - HTTP/1.1：10.5.4503服务UnavailableThe服务器目前无法处理请求，因暂时超载或服务器维护。言下之意是，这是一个临时的状况，这将缓解一些延误后。如果知道，延迟的长度可表示一个Retry - After头。如果没有重试后，客户端应该处理的响应，因为它将为500 response.Note：503状态代码的存在并不意味着服务器必须成为重载时使用它。有些服务器可能只希望拒绝连接

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