名词
中文翻译：单通道记录仪
同义词：
['single-channel device', 'single-channel instrument']
例句：
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1. This new modelof the single-channel recorder is more user-friendly than its predecessor.
这款新型单通道记录仪比其前一代更用户友好。
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2. The single-channel recorder was used to capture the sound of the animal's call.
单通道记录仪被用来捕捉动物的叫声。
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3.The engineer used a single-channel recorder to play back the recordings for testing purposes.
工程师使用单通道记录仪来回放录音，以便进行测试。