“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	marine propeller marine radio beacon marine railway marine rainbow marine salina Marinesco-Sjögren-Garland syndrome marine sextant Marinesian marine snow marine stack marine swamp marine terminal marine terrace marine traffic marine transgression marine weather observation Mariotte's law MARISAT marita maritime air maritime climate maritime frequency bands maritime law maritime mobile service maritime polar air

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