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.(单选题)在晴朗的白昼,天空呈蔚蓝色的原因是:( )

单选题
2021-09-01 16:02
A、蓝光波长短,透射作用显著
B、蓝光波长短,散射作用显著
C、红光波长长,透射作用显著
D、红光波长长,散射作用显著
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正确答案
B

试题解析

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