基本解釋[經(jīng)濟(jì)學(xué)]自激振蕩器式發(fā)報(bào)機(jī)專(zhuān)業(yè)釋義經(jīng)濟(jì)學(xué)自激振蕩器式發(fā)報(bào)機(jī)