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三维欧几里得空间中这种空间的标准表示:由闭合曲线(尤其是圆)绕同平面内不相交的直线旋转形成的曲面或立体(如环形面包圈)。
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三维欧几里得空间中这种空间的标准表示:由闭合曲线(尤其是圆)绕同平面内不相交的直线旋转形成的曲面或立体(如环形面包圈)。；一种大型凸起线脚,横截面通常为半圆形,常见于柱基且突出于柱础之上。；骨或肌肉的圆隆起,尤指枕骨上的隆起。；花梗或花序梗的末端,花的各部分(菊科中为头状花序的小花)着生于此。；封闭木材细胞纹孔(如裸子植物管胞)的膜增厚,其次生细胞壁拱起覆盖纹孔腔。
The standard representation of such a space in 3-dimensional Euclidean space: a surface or solid formed by rotating a closed curve, especially a circle, about a line which lies in the same plane but does not intersect it (e.g. like a ring doughnut).
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三维欧几里得空间中这种空间的标准表示:由闭合曲线(尤其是圆)绕同平面内不相交的直线旋转形成的曲面或立体(如环形面包圈)。
The standard representation of such a space in 3-dimensional Euclidean space: a surface or solid formed by rotating a closed curve, especially a circle, about a line which lies in the same plane but does not intersect it (e.g. like a ring doughnut).
一种大型凸起线脚,横截面通常为半圆形,常见于柱基且突出于柱础之上。
A large convex molding, typically semicircular in cross section, which commonly projects at the base of a column and above the plinth.
骨或肌肉的圆隆起,尤指枕骨上的隆起。
A rounded ridge of bone or muscle, especially one on the occipital bone.
花梗或花序梗的末端,花的各部分(菊科中为头状花序的小花)着生于此。
The end of the peduncle or flower stalk to which the floral parts (or in the Asteraceae, the florets of a flower head) are attached.
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页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from ECDICT, WIKTIONARY.