“active filter”的概念、定义、翻译、参考文献-科学参考

单词	active filter
释义	active filter [`ak·tiv `fil·tǝr] ^ELECTRONICS A filter that uses an amplifier with conventional passive filter elements to provide a desired fixed or tunable pass or rejection characteristic.
随便看	thermal equator thermal equilibrium thermal excitation thermal expansion thermal expansion coefficient thermal exposure thermal farad thermal flame safeguard thermal flasher thermal flux thermal gasoline thermal gradient thermal henry thermal high thermal horsepower thermal hysteresis thermal imagery thermal inductance thermal instability thermal instrument thermal inversion thermal ionization thermalize thermal jet thermal limit

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