411 REFERENCE · Wikibooks
English-Hanzi/Amplifier
Reference material by Wikibooks contributors. This retains its source identity and is not 411 news reporting.
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An amplifier is an electronic device or piece of equipment which used to increase the strength of audio or video signals.
放大器 是 用于 增加 音频 或 视频 信号 强度 的 电子 仪器 或 设备。