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单词
low-noise amplifier
释义
low-noise amplifier
low-noise amplifier
[
′lō ‚nȯiz ′am·plə‚fī·ər
]
(electronics)
An amplifier having very low background noise when the desired signal is weak or absent; field-effect transistors are used in audio preamplifiers for this purpose.
Acronyms
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更新时间:2026/4/20 7:41:24