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请问win7下如何使用beep()函数让主板发生蜂鸣声.
Private Declare Function Beep Lib "kernel32" (ByVal dwFreq As Long, ByVal dwDuration As Long) As LongPrivate S
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佳明245如何保存设定的目标距离
你好,佳明245如何保存设定的目标距离?首先“按【START-STOP】进步跑步;长按【UP】进入跑步设置;按【DOWN】一直到“自动计圈”;按【START-STOP】进入后再按【DOWN】选择计算距离;按【START-STOP】进入后,设