Those spectra nearer the periphery of the objective are dimmer than those to the central spot.
Those spectra nearer the periphery of the objective are dimmer than those to the central spot.
靠近边缘的光谱状亮点的亮度要小于靠近中心的亮点。
Those spectra nearer the periphery of the objective are dimmer than those to the central spot.
靠近边缘的光谱状亮点的亮度要小于靠近中心的亮点。