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主点
释义
主点【化】 principal point 主点zhǔdiǎn(1)[principal point](2)主视线与透视面的交点(3)透镜轴上这样两点中的任一点,这两点的关系是从物体任一点指向一主点的光线将从透镜平行射出,而不通过另一主点(4)航空照相机的透镜光轴与胶片面的交点
随便看
meet the ear
meet the needs of
meet trouble halfway
meet up with
meet with
meet with a check
meet with an accidet
meet with heavy reverses
meet with one's death
mefenamic acid
mefenorex
mefexamide
mefloquine
mefluidide
mefruside
meg-
meg
mega
mega-
megabacterium
megabar
megabit
megabit memory
megabit order
megabit per second
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更新时间:2026/9/20 9:47:13