也就是说，当客户端尝试连接这个设备时，它将会携带一个UUID用于唯一指定它想要连接的服务器。
That is, when the client attempts to connect with this device, it will carry a UUID that uniquely identifies the service with which it wants to connect.
也就是说，当客户端尝试连接这个设备时，它将会携带一个UUID用于唯一指定它想要连接的服务器。
That is, when the client attempts to connect with this device, it will carry a UUID that uniquely identifies the service with which it wants to connect.
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