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Centroid position estimation of ballistic target in midcourse .

弹道中段目标质心位置估计。

Vertebral centroid measurement of lumbar lordosis compared with the cobb technique .

以椎心法量测腰椎曲度可靠度与传统cobb法之比较。

The threshold selection method of the spot image map of shack-hartmann wavefront sensor ( sh wfs ) has a large influence on the centroid detection accuracy .

shack-hartmann波前传感器光斑图像阈值的选取对质心探测精度有较大的影响。

Represents a z-axis centroid for a geographic region .

表示地理区域的z轴中点。

Incentre , orthocentre , centroid , circumcentre and circle from three poins .

垂心、外心及三点求圆。