signal switching的用法和樣例：
例句
- Signal switching is performed on cards that are inserted into the mainframe rack.
信號切換是在插入到主機的開關卡上完成的。 - Unlike switching current signals to an ammeter, switching a current source to multiple loads usually does not require maintaining the current path at all times.
與將多個電流信號切換至單台安培表不同，將一個電流源切換至多個負載通常不需要任何時候到維持電流通路的連續性。
