dual range receiver

• 双波段收音机,中短波收音机

dual range receiver的用法和样例：

例句

1. Dual waveband signals in high power laser welding were recorded and analyzed, especially, the law between the signals magnitude and the defocusing was discussed.
   记录和分析了高功率激光焊接中工作区的紫外和红外信号，着重分析了双波段信号与离焦量变化的对应规律。