名词
中文翻译：外部调制
同义词：
['extrinsic modulation', 'external control']
例句：
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1.The device's ability to externally modulate the signal is crucial for its operation.
该设备通过外部调制信号的能力对其操作至关重要。
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2. The engineer was able to externally modulate the frequency of the radio wave.
工程师能够通过外部调制无线电波的频率。
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3. In this study, we investigated the effects of external modulation on the performance of arobotic arm.
在这项研究中，我们研究了外部调制对机器人臂性能的影响。