Finally, the complete digital frequency source is introduced.
全功能数字频率源。
In this dissertation, a low phase noise millimeter wave point frequency source is studied.
本文研究设计了一个低相噪毫米波点频源。
Comparatively, soft seabed is advantageous for transmission of low frequency part of sound source.
和硬质海底相比，软质海底更有利于声源较低频率成分的传播。
Comparatively, soft seabed is advantageous for transmission of low frequency part of sound source.
和硬质海底相比，软质海底更有利于声源较低频率成分的传播。
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