基本解释直线扫描 [电子] 线性扫描英汉例句双语例句This article describes the design of a linear sweeping frequency signal generator using DDS technology.本文介绍了利用DDS来产生线性扫频信号的射频信号发生单元的设计。词组短语短语linear sweeping polarographic 单扫描极谱法Sweeping linear 扫频线性