stop send signal的意思|示意

Any motorist driving along a country road at night must stop every mile and send up a rocket signal, wait 10 minutes for the road to be cleared of livestock, and continue.

任何在晚上沿著乡间道路开车的驾驶人，每英里就要停下车来施放火箭信号、等待10分钟让路上的家畜被清空后继续驾车前进。

Physical contact sensing devices can send an electrical signal when they are touched. The signal can stop or start a machine or give a warning.

接触传型感器在被接触时能发出电子信号， 该信号可用于 启动或停止机器， 或对系统发出警报。