You must ensure that chat clients can establish a permanent connection to the socket server to listen for chat messages.

为了侦听聊天消息，必须确保聊天客户机能够建立与此socket服务器的永久连接。

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The elastic pressure element is fixed to the body by means of a detachable or permanent connection.

弹性施压零件 是通过可拆的或永久性的连接固定于本体。

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This Recommendation defines network performance parameters, objectives and measurement methods for describing B-ISDN ATM semi-permanent connection availability.

本建议规定了用于描述B - ISDN AT M半永久连接可用性的网络性能参数、指标和测量方法。

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The push towards broadband, which offers a much faster, permanent connection of 512Kbps, has also proved successful, the research suggests.

BBC: NEWS | Technology | Speed 'tempts dial-up net users'

Jini networks are self-healing, they never establish a permanent connection.

CNN: Will Java and Jini be in everything?

New technologies due to be rolled out across Europe in the coming year will give mobile users a permanent connection to the internet avoiding lengthy dial up and download times.

BBC: Children using mobile phones