switching signal

例句：

1. 1. The new software allows for seamless switching between different applications.
   新软件允许无缝切换不同的应用程序。
2. 2. During the switchover, all systems must be powered down and then switched on again.
   在切换过程中，所有系统必须断电并重新通电。
3. 3.The engineers were tasked with ensuring that the switching signal was accurate and reliable.
   工程师们被指派确保切换信号准确可靠。