n.变流器；转换器
=converter.
The direct convertor is fact, but with little accuracy. 直接比较式转换器速度高，但精度低。
The feed system, including a dual-mode conical horn and a mode convertor, was designed, manufactured, and measured. 设计了双模圆锥喇叭和模式转换器，并进行了功率容量估算。
