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红光的波长是()
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红光的波长是()
A、A、780nm
B、B、560nm
C、C、380nm
D、D、210nm
时间:2021-12-29 21:52
关键词:
广告摄影
经济学
答案解析
A
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可见光的波段从紫光到红光,波长为:()
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