start-stop teletypewriter signal

例句：

1. 1. The engineerused a stop-start teletypewriter signal to communicate with the remote location.
   工程师使用停止-开始式电报机信号与远程地点进行通信。
2. 2. The company's new policy requires employees to use a stop-start teletypewriter signal when communicating with clients.
   公司的新政策要求员工在与客户沟通时使用停止-开始式电报机信号。
3. 3. During the emergency response, the team used a stop-start teletypewriter signal to coordinate their efforts.
   在紧急响应期间，团队使用停止-开始式电报机信号来协调他们的努力。