frequency selection

• 选频

frequency selection的用法和样例：

例句

1. The core part of the circuit is differential and frequency selection.
   电路核心部分由微分电路和选频电路组成。
2. This paper presents a theoretical study of the tunability of frequency selective filter extended cavity semiconductor lasers.
   本文分析选频滤波器负载外腔半导体激光器的调谐特性。