In electromagnetic media, repeate overcome the attenuation caused by free-space electromagnetic-field divergence or cable loss.
在电磁媒体中，重复克服衰减引起的空间电磁场散度或电缆损失。
2
The hydrogen absorbing filling compound can be used to reduce the fiber attenuation caused by hydrogen and protect the optical fiber cable.
使用吸氢填充膏可以防止氢气导致光纤传输损耗增加，对光缆起到长期保护作用。
3
The motor-cable device was modified so that the optimal control was realized by passive control, with less energy used for the space structure vibration attenuation.