词汇 | 光速 |
释义 | 光速光速[guāng sù]1.■speed of light; velocity of light (光磁); light velocity; ray velocity:光速约为每秒300000公里。The velocity of light is about 300000 kilometres per second. 常用词组1.■光速半径 velocity of light radius;2.■光速不变原理 permanent principle of light velocity;3.■光速圆柱面 velocity-of-light cylinder;4.■光速(粒)子 luxon |
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