单词	reference antisera
释义	reference antisera 参考抗血清
随便看	frequency deviation index frequency deviation measurement frequency deviation meter frequency-deviation meter Frequency deviation noise Frequency deviation of sound carrier Frequency deviation of vision carrier frequency deviation per channel frequency deviation ratio frequency deviation region frequency deviator frequency device frequency diagram frequency dial frequency dictionaries frequency dictionary frequency dictionary of chinese words frequency difect repeating frequency difference frequen cy difference frequency-difference detector frequency difference estimation frequency difference gain frequency difference lime frequency difference limen