【单选题】单击一次命令按钮后,下列程序代码的执行结果为( ) Public Function P(n As Integer) Static sum For i = 1 To n sum = sum + i Next i P = sum End Function Private Sub Command1_Click() s = P(1) + P(2) + P(3) + P(4) Print s; End Su...
【单选题】单击命令按钮时,下列程序的执行结果为( )。 Private Function P(N As Integer) Static sum For I = 1 To N sum = sum + 1 Next I P = sum End Function Private Sub Command1_Click() S = P(1) + P(2) + P(3) + P(4) Print S; End Sub
【简答题】某降压变电站有一台 SFL 1 -20000/110 型双绕组变压器,变比为 110/11 ,铭牌给出的试验数据为: P 0 =22kW , I 0 %=0.8 , P k =135kW , U k %=10.5 ,试 1 计算变压器的参数(归算到 110KV 侧); 2 画出变压器的 形等值电路。