special signal的用法和样例：
例句
- This converter is therefore suitable for signal conditioning of a resistive sensor.
该电路特别适合于电阻式传感器的信号处理。 - While in foreign countries, more research is on non-stationary speech signal dereverberation, which becomes a hot field in the last ten years.
国外对不平稳的语音信号去混响研究较多，特别是在最近十年形成了研究热点。
