“equatorial plane”的概念、定义、翻译、参考文献-科学参考

单词	equatorial plane
释义	equatorial plane [´e·kwǝ`tȯr·ē·ǝl `plān] ^ASTRONOMY The plane passing through the equator of the earth, or of another celestial body, perpendicular to its axis of rotation and equidistant from its poles. ^CYTOLOGY The plane in a cell undergoing mitosis that is midway between the centrosomes and perpendicular to the spindle fibers. ^MECHANICS A plane perpendicular to the axis of rotation of a rotating body and equidistant from the intersections of this axis with the body's surface, provided that the body is symmetric about the axis of rotation and is symmetric under reflection through this plane. ^OPTICS See <<sagittal plane>>
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