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The typed of signals produced by a SEM include:（）

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The typed of signals produced by a SEM include:（）

A.secondary electron（SE）

B.back-scattered electron（BSE）

C.characteristic X-rays

D.light（cathoduluminescence）（CL）

参考答案:

答案：secondary electron（SE）；back-scattered electron（BSE）；characteristic X-rays；light（cathoduluminescence）（CL）

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