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Frankfurt horizontal plane
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Frankfurt horizontal plane
Encyclopedia
医学
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Frankfurt horizontal plane
法兰克福平面
由左右两侧耳门上点(即外耳门上缘中点,porion,po)和左侧眶下点(即左眶下缘最下的一点,orbitale,or)三点所组成的水平面。又称耳眼平面[注]。
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main sequence lifetime
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更新时间:2026/11/9 7:05:38