技能等级中级工国

PCM30/32系统发端低通滤波器的截止频率为

发布于 2021-03-03 05:02:38

【多选题】
A 4kHz
B 0.3 kHz
C 3.4kHz
D 8 kHz

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MEISHAONV 2023-03-03

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阿银。

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