关键是发现蓝色光波的振荡频率远高于红色光波，黄色和绿色光波的振荡频率介于两者之间。
The essential point is that the blue waves oscillate much faster than the red waves, and the yellow and green waves are somewhere in between.
关键是发现蓝色光波的振荡频率远高于红色光波，黄色和绿色光波的振荡频率介于两者之间。
The essential point is that the blue waves oscillate much faster than the red waves, and the yellow and green waves are somewhere in between.
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