...做功率源,如果移动magnetic discharge到电机的一边,辐射波是正的,移动到另一边就是负的,这清楚地表明是个类光(light-like)射线,与Maxwell的电磁波不同。
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动物主要借助网膜中的两类光感细胞获得视觉:视杆细胞帮助感知亮度,而种类众多的视锥细胞则帮助辨别颜色。
Retinas use two main types of light-sensitive cells to allow animals to see: Rod cells help measure brightness, while various types of cone cells help distinguish colors.
具有共轭点的类光测地线的固有加速度趋于无穷大。
It is shown that the proper acceleration of null geodesic with conjugate points approaches infinity.
研究建立了受阻胺类光稳定剂Tinuvin123的合成工艺。
The synthetic technology of Tinuvin123 was studied and established.
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