有如下事件过程：
Private Sub Form_Active()
Dim Score(1 to 3) As Integer
Dim i As Integer
Dim t As Variant
For i=3 To 1 step-1
Score (i)=2*i
Next
For Each t In Score
Print t
Next
End Sub
程序运行后窗体上显示的值为______。

简述阿拔斯王朝与倭马亚王朝在政治、经济和军事方面的异同。