单词	信-噪化
释义	信-噪化医aignal-noise ratio
随便看	radio range beacon radio range-beacon radio-range beacon radio range beam radio-range beam radio-range filter radio rangefinder radio range finder radio range finding Radio range finding radio range-finding radio-range finding radio range fix radio-range flying radio-range goniometer radio range interrogator electronic radio range leg radio-range monitor radio range network radiorange orientation radio range orientation radio-range orientation radio range positioning radio range receiver radio-range receiver