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【单选题】

数字射频拉远设备(GRRU)的()功能可以有效避免时延色散现象

A.
自动时延调整
B.
噪声抑制
C.
菊花链
D.
载波跟踪
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参考答案:
参考解析:
.
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举一反三

【单选题】有如下事件过程:Private Sub Form_Load() Show Dim Arr() As Variant Arr = Array(1, 3, 5, 7, 9, 11, 13, 15) Call converse(Arr) For i = 0 To 7 Print arr(i); Next iEnd Sub 以上程序的功能是,通过调用Converse过程,将数组Arr中的元素逆序存放并输出...

A.
Private Sub converse(dim a() as Variant ) Dim T For i = LBound(A) To UBound(A) T = a(i) a(i) = a(UBound(A) - i) a(UBound(A) - i) = T Next i End Sub
B.
Private Sub converse(dim a() as Variant) Dim T Dim J As Integer J = (LBound(A) + UBound(A)) / 2 For i = LBound(A) To J T = a(i) a(i) = a(UBound(A) - i) a(UBound(A) - i) = T Next i End Sub
C.
Private Sub converse(a() As Variant) Dim T For i = LBound(A) To UBound(A) T = a(i) a(i) = a(UBound(A) - i) a(UBound(A) - i) = T Next i End Sub
D.
Private Sub converse(a() As Variant) Dim T Dim J As Integer J = Int((LBound(A) + UBound(A)) / 2) For i = LBound(A) To J T = a(i) a(i) = a(UBound(A) - i) a(UBound(A) - i) = T Next i End Sub

【单选题】下列现象中属于光的色散现象的是(  )

A.
雨后天空的彩虹
B.
水中的月亮
C.
黑板“反光”
D.
小孔成像

【单选题】腰脊神经后支射频热凝术适用于()

A.
腰椎间盘突出症
B.
腰椎管狭窄症
C.
下肢幻肢痛
D.
腰脊神经后支卡压症
E.
血栓闭塞性脉管炎

【多选题】监控平台有哪些功能?

A.
管理设备
B.
用户权限管理
C.
数据流管理
D.
录像存储管理
E.
与其它系统联动