Antennas of various apertures and bands are already in mass production and have been put into use in microwave relay communication systems.
批量生产的不同口径及频段的这类天线已用于微波通信系统中。
Antennas of various apertures and bands are already in mass production and have been put into use in microwave relay communication systems.
批量生产的不同口径及频段的这类天线已用于微波通信系统中。
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