搜索 - 科创

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1.2-1.3GHz业余频段里面还有很多重要业务，业余业务是次要业务（这与430-440MHz频段不一样，这一段虽然业余是次要业务，但在国内绝大多数地方几乎没有分配给任何除业余业余/工科医设备以外的业...

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