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单词
fermat's principle
释义
WordReference Random House Unabridged Dictionary of American English © 2024
Fermat's
′
prin
′
ciple,
Optics
the law that the path taken by a ray of light in going from one point to another point will be the path that requires the least time.
named after P. de
Fermat
1885–90
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更新时间:2026/2/5 17:06:14