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激光具有的优点为相干性好、亮度高及( )的优点。
分类: 通信专业业务
发布时间: 2023-11-19 12:37
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激光具有的优点为相干性好、亮度高及( )的优点。
A.A、多色性好
B.B、单色性好
C.C、吸收性强
D.D、吸收性弱
正确答案是B
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