| 单词 | centroid |
| 释义 | centroid['sentrɒid]n. 质心【机】 瞬心线 centroid cen.troid AHD: [sµn“troid”] D.J. [6sen7tr%!d]K.K. [6sWn7tr%!d]n.（名词）1. See center of mass 参见 center of mass2. The point in a system of masses each of whose coordinates is a weighted mean of coordinates of the same dimension of points within the system, the weights being determined by the density function of the system.质心：质量系统内一点，其重量坐标是该系统内同维数上所有点坐标的平均值，重量由该系统的密度值决定 |
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