It uses a three-packet handshake in which both the sender and receiver agree that they are ready to communicate.
它使用三次握手机制保证通信双方都准备好进行通信。
If the receiver of a MakeConnection does not have messages ready to be sent to the initiator of that connection, then an empty response should be sent back.
如果MakeConnection接收者没有要发送到该连接的发起者的消息，则应该发回一个空响应。
Push the button on your wireless transmitter once to arm the bear receiver. You will hear a few faint beeps. Now the unit is armed and ready for use.
在您的无线传送器上按一次，连接上泰迪熊接收器，你会听到一些微弱的哔哔声，现在两者已经联系上，可以使用了。
However, the receiver shall be considered to have been ready if a return of the service is attempted.
但是如果接球方试图回球，则被视为已准备好。
However, the receiver shall be considered to have been ready if a return of the service is attempted.
但是如果接球方试图回球，则被视为已准备好。
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