- a filter that transmits only those currents having a frequency lying within specified limits
- an optical device, consisting of absorbing filters, for transmitting electromagnetic waves of predetermined wavelengths
| 单词 | band-pass filter |
| 释义 | WordReference Random House Unabridged Dictionary of American English © 2024 band′-pass fil′ter (band′pas′, -päs′),USA pronunciation [Elect., Electronics.]
Collins Concise English Dictionary © HarperCollins Publishers:: band-pass filter n
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