单词	amplification factor
释义	amplification factor noun : the ratio of the changes in plate and grid voltage that cause equal changes in the plate current of an electron tube Word History First Known Use 1907, in the meaning defined above
随便看	praying scarf praying shawl prayings prays prazosins PRC prchst prcht prcs pre pre- pre-admission pre-adult pre-adulthood pre-adults pre-agricultural pre-amp ocean deep ocean engineering ocean green ocean island Ocean Island ocean lane ocean liner ocean perch

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