The envelope of sound spectrum is related to the transfer function of bore.
声频谱包络的特点和音管的传递函数有相应的关系。
And real-time spectrum analysis function of the perfect combination of test instruments.
能与实时频谱分析功能完美结合的测试仪表。
And real-time spectrum analysis function of the perfect combination of test instruments.
能与实时频谱分析功能完美结合的测试仪表。
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