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单词 Huygens' approximation
释义 Huygens' approximation
[`hī·gǝnz ǝ´präk·sǝ´mā·shǝn]
MATHEMATICS
The length of a small circular arc is approximately 1/3 (8c'-c ), where c is the chord of the arc and c' is the chord of half the arc.
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