什么是置换密码_爱下问搜题

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问题问答题简答题

什么是置换密码

答案

参考答案：

置换密码是保持明文的字母不变，但是顺序被重新排列。

选择题

— Is Paul playing basketball for his school?
— Well, he _____. But he has given it up and switched to playing volleyball.

A. is
B. was
C. has
D. had

单项选择题

巨幼细胞贫血时，红细胞直方图的变化为

A．右移，基底部不变

B．右移，基底部加宽

C．左移，基底部加宽

D．右移，基底部变窄

E．右移，出现双峰