单项选择题
A、DeletepartitionorLogicalDOSDrive B、Displaypartitioninformation C、CreateDOSpartitionorLogicalDOSDrive D、Setactivepartition
A、DeleteparitionorLogicalDOSDrive B、Setactivepartition C、Displaypartitoninformation D、CreateDOSpartitionorLogicalDOSDrive
A、7kHZ B、22.05kHZ C、44.1kHZ D、48kHZ