单词	内涵小脉
释义	内涵小脉included veinlet
随便看	frequency discount frequency discrimination frequency discrimination telegraph frequency discriminator frequency discrinimator frequency dispersion frequency distortion frequency distribution frequency distribution curve frequency distribution--frequency allocation frequency distribution function frequency distribution histogram frequency distribution table frequency diversity frequency diversity radar frequency diversity reception frequency diviation frequency divider frequency divider--frequency demultiplier frequency divider，fd frequency division frequency division command frequency division data link frequency division data link--fddl frequency division data link，fddl