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yue: 光速
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has URI
http://lexvo.org/id/term/yue/%E5%85%89%E9%80%9F
character
Character U+5149
character
Character U+901F
Meaning
means
(noun) the speed at which light travels in a vacuum; the constancy and universality of the speed of light is recognized by defining it to be exactly 299,792,458 meters per second
speed of light, light speed, c
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(ISO 639-3 code, e.g. "eng" for English)
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