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塞瓦定理
释义
塞瓦定理
sāi wǎ dìng lǐ
设x、y、z分别为△abc的三边bc、ac、ab或其延长线上的点,且ax、by、cz交于一点或互相平行,则bxxc·cyya·azzb=1。由意大利数学家塞瓦发现而得名,其逆命题也成立。
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two-bank stage pump
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twobarrel carburetor
two-barrel carburetor
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two-base
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更新时间:2025/5/30 16:24:26