... propagation of very high frequency (VHF) 甚高频电波传播 propagation of very low frequency (VLF) 甚低频电波传播 propagation path 传播路径 ...
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甚低频(VLF)电波传播过程中因环境因素影响会使信号产生衰减与扰动，导致潜艇收信可靠性下降。
The signal will have attenuation and disturbance due to environmental factors in the process of VLF radio wave propagation, which will impact the reliability of submarine communication.
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