... long base line system 长基线系统 long path signal 长导线长程信号 long toll call 长途呼叫 ...
双语例句
1
To ensure the signal avoids the long, thin, variable path that is the spring, mechanical systems referred to as bias are used.
为了确保信号避免长而薄的可变路径(弹簧、机械系统)，使用了偏置。
2
The problems mainly exhibit to be multi-path propagation in the wireless fading channel, signal fading caused by the scattering and Inter-Symbol Interference caused by the long multi-path time delay.