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。
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。
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