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当对频率稳定度有严格要求时,则必须采用石英晶体控制的分频锁相或脉冲锁相振荡源。( )
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发布时间: 2023-11-19 12:39
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当对频率稳定度有严格要求时,则必须采用石英晶体控制的分频锁相或脉冲锁相振荡源。( )
A.对
B.错
正确答案是A
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