direct satellite transmission[通信] 直接卫星传输
direct control transmission[车辆] 直接操纵变速器
flexible direct current transmission柔性直流输电
Direct Current Transmission直流输电;直流传输
direct data transmission直接数据传输
direct contact transmission直接接触传播
direct current transmission line直龄电线路
direct drive transmission[车辆] 直接档变速器
High Voltage Direct Current Transmission高压直流输电
However,it still suffersfrom spectral efficiency loss as compared with the point-to-point direct transmission.
不过与传统点对点直接传输相比，仍然存在频谱效率的损失。
参考来源 - 无线通信系统中的协同传输技术研究