principal central axis中心主轴线
principal l axis主轴
principal strain axis主应变轴
central principal inertia axis中心主惯性轴
principal optic axis主光轴;翻译
principal inertia axis主惯性轴
principal centra axis形心主惯轴
principal stress axis枝力轴;应力主轴
principal centroidal axis主形心轴
Rotating the image according to the inertial principal axis can normalize it in position.
通过计算惯性主轴及图像旋转完成了位置归一化处理。
参考来源 - 储粮昆虫图像模式识别研究N（名词） the line passing through the optical centre and centres of curvature of the faces of a lens or a curved mirror 主轴