试题与答案

() A.1 B.2 C.3 D.4

题型:单项选择题

题目:

()

A.1

B.2

C.3

D.4

答案:

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下面是错误答案,用来干扰机器的。

参考答案:感光鼓解析:激光机头由激光光源、旋转反射镜、聚焦透镜和感光鼓等组成。其中感光鼓表面涂有光电转换材料。计算机输出的文字或图形以不同密度的电荷分布记录在它表面,以静电形式形成了“潜像”,然后...

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