名词
中文翻译：双频信号发生器
同义词：
['two-tone signal generator', 'dual-frequency generator']
例句：
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1. This two-frequency signal generator is used to generate signals with different frequencies.
这个双频信号发生器用于生成具有不同频率的信号。
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2. The two-frequency signal generator was used to test the new circuitry.
这个双频信号发生器被用来测试新的电路。
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3. The two-frequency signal generator is essential for calibrating instruments that require precise frequency measurements.
这个双频信号发生器对于需要精确频率测量的仪器校准至关重要。