In DC transmission line construction design, current national standard of economical current density will under predictcd conductor section, resulting in large loss.
在直流输电线路工程设计中，如果按我国现行标准规定的经济电流密度选择导线截面，将导致截面偏小，损耗增大。
Waveguide is a kind of low loss transmission line.
波导是一种低损耗的传输线。
The transmission of high frequency signals in multi-conductor electrical cable may introduce serious line-to-line crosstalk, which may result in the loss of signal energy on receivers.
高频信号在多导体电力线上传输时会存在严重的线间串扰，造成接受端信号能量的损失和信号的混乱。
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