connection signal

例句：

1. 1. The connection signal between the two networks is strong enough to ensure seamless transfer of data.
   两个网络之间的连接信号足够强，可以确保数据无缝传输。
2. 2.The engineer used a special device to establish a connection signal between the two systems.
   工程师使用一种特殊的设备在两个系统之间建立了连接信号。
3. 3. The connection signal was crucial for the successful operation of the new communication system.
   连接信号对于新通信系统的顺利运行至关重要。