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单词 active device
释义 active device
1 An electronic component, such as a transistor, that is capable of amplification.
2 An artificial satellite that receives information and retransmits it after amplification.
3 A radar device that emits microwave radiation and provides information about a distant body by receiving a reflection of this radiation. Compare passive device.
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更新时间:2025/6/22 22:41:23