transmission law消光定理transmissionn.传输；传播；播送；变速器Transmission gear efficiency of shafting轴系传动装置效率transmission type cavity frequency meter传输式空腔频率计Transmission Control ProtocolInternet Pr传输控制协议网际协议transmission network parameter detection电网参数检测transmission and distribution separation输配分开transmission -distribution dispatching输配调度transmission line reflection coefficient传输线反射系数transmission efficiency of covered gears封闭齿轮传动transmission electronic microscope method透射电子显微镜法transmission tower-line coupling system输电塔线体系