active soft shale的用法和样例：
- Although the power loss of CPRS circuit is only 23% as that of a conventional composite snubber, it can almost have the effect of active soft switching.
- Three level PFC with Active Soft Switching
- The orient has been playing an active role in the world economy.
- Soft drinks are much in demand this hot weather.
- He was fawning on a damsel with soft words.