RIA标准曲线制作时,纵坐标的反应参数有()
A.B/F
B.B/T
C.F/B
D.B/B0
E.B
参考答案:A, B, C, D, E
Eight hundred and eighty-eight million, eight hundred and eighty-eight thousand, eight hundred and eighty-eight is _________.
A.8,888,888
B.88,888,888
C.888,888,888
D.8,888,888,888
在Access系统中,通过______、控制存取权限和采取数据加密等方法实现数据安全性控制。