应该与一些已知的服务使用者验证这个描述——但无法也不应该尝试与所有潜在使用者接触。
You should validate this description with a few known customers of the service — but you can't and shouldn't try to reach all the potential customers.
Web服务客户接着用HTTP从已知的URL请求该服务描述，服务描述以WSDL文档的形式提供。
The Web service client then requests the service description in the form of a WSDL document using HTTP from a known URL.
空闲文件描述符的状态是已知的，因为在状态改变时会通知 poll缓存服务。
The state of idle file descriptors is known since the pollcache service is notified once when it changes.
空闲文件描述符的状态是已知的，因为在状态改变时会通知 poll缓存服务。
The state of idle file descriptors is known since the pollcache service is notified once when it changes.
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