我们解释过这是由于红色光谱更容易弯曲，所以当其他光线还没怎么样时，红光首先由于地球的引力而沿着地球的曲线弯曲。
We have explained this being due to light in the red spectrum bending readily, so red light is bent first over the horizon by the gravity of Earth where light in the other spectrums is not so bend.
这个光谱中的光线，向四面八方离开太阳，由于地球引力弯曲导致本该从地球旁边经过的光线弯向地球的中心。
Light in this spectrum, leaving the Sun in all directions, is bent by the gravity of Earth so that what would normally pass on either side of the Earth is bent back toward the center of the Earth.
对聚甲基丙烯酸甲酯(PMMA)芯聚合物光纤的临界弯曲半径进行了测试，利用光栅单色仪对采用不同尺寸滤模器的光纤出射光谱进行了测量。
The critical bending radius of PMMA polymer optical fiber is measured, By using grating monochromator, the exiting spectrums of the mode filters with different dimensions are measured.
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