keep-alive
常见例句
- In order to maintain presence, the chat application can send keep-alive messages on the websocket to prevent it being closed due to an idle timeout.
为了保持存在的状态，聊天应用要发送“连接保持（Keep Alive）”的消息给WebSocket，来避免该连接因为闲置超时而关闭。 - Since clients do not wish to be forcefully disconnected, they will automatically send a keep-alive message if the connection is inactive for the number of seconds specified by this parameter.
由于客户机不希望强制断开连接，因此，当连接闲置的时间为此参数指定的秒数时，客户机将自动发送 keep-alive 消息。 - Persistent connections specify that an outgoing HTTP response should use a persistent (keep-alive) connection instead of a connection that closes after one request or response exchange occurs.
持久连接指定传出的 HTTP 响应应该使用持久（保持活动状态）连接，而不是在请求或响应交换后关闭的连接。 - Some Mexican firms are hoping to join the booming life-sciences industry in the U.S. Medical device maker Innovamedica has a product in development called a ventricular assistive device--used to keep patients alive during heart surgery--that is undergoing animal trials at the Texas Heart Institute.
FORBES: Magazine Article - And above all, we're going to keep fighting to renew the American Dream and keep it alive -- not just in our time, but for all time.
WHITEHOUSE: Key Investments for Middle-Class Families - Getting the logging permits promised by the agreement--178 million board feet a year, enough to keep Pacific Lumber alive--would prove to be extremely difficult.
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