变量是程序中的基本存储单元之一,由变量名、变量类型、变量属性、 ______ 组成。
参考答案:常量
对正弦信号进行采样得到的正弦序列必定是周期序列。()
How big is the house he moved in().
A.As big as the old one.
B.Twice as big as mine.
C.As big as mine.
D.Twice bigger than mine.