TBC模式下的ACE,表面上包含了频率偏差和有功偏差两个分量,但实质上是反映本区域的 发布时间:2017-05-02 15:37 │ 来源:www.tikuol.com 题型:单项选择题 问题: TBC模式下的ACE,表面上包含了频率偏差和有功偏差两个分量,但实质上是反映本区域的()。A.有功不平衡量B.无功不平衡量C.频率偏差D.电压偏差
题型:单项选择题 Sometimes we _____ be busy shopping in a supermarket, for it's more convenient to purchase online nowadays. [ ]A. needn'tB. mustn'tC. shouldn'tD. can't 查看答案
题型:单项选择题 在窗体上画一个命令按钮,然后编写如下代码: Private Type RecordID As IntegerName As String*20 End Type Private Sub Command1_Click()Dim MaxSize.NextChar,MyCharOpen"D:\temp\female.txt"For Input As #1MaxSize=LOF(1)For NextChar=1 To MaxSize Seek#1,NextChar MyChar=Input(1,#1)Next NextCharPrint EOF(1)Close #1 End Sub 程序运行后,单击命令按钮,其输出结果为 ______。A.TrueB.FalseC.0D.Null 查看答案