centroid axis重心轴线;质量中心轴线形心轴线;形心轴线
Area Centroid面积质心
image centroid像矩心;图像质心
spectral centroid[光] 光谱矩心;谱质心;谱矩心
fixed centroid固定极心线
Common centroid共质心
Simple centroid单纯形重心法
N（名词） the centre of mass of an object of uniform density, esp of a geometric figure 形心
N（名词） (of a finite set) the point whose coordinates are the mean values of the coordinates of the points of the set 形心