switching element的用法和样例：
例句
- The load current is handled directly by the controller through semiconductor switching devices.
负荷电流由调节器通过半导体开关元件直接控制。 - By using zero-voltage-transition techniques, a lossless snubber circuit has been developed to reduce the switching losses of the auxiliary switch.
本文针对辅助开关采用零电压转换方式以降低辅助开关损失，让所有的主动与被动开关元件皆操作在柔性切换状态下，提高整体效率。
