axis era轴心时代
axisn.轴;中枢
axis specifucation体轴确定
axis of precession进动轴
axis of coordinate坐标轴
axis of projection射影轴,投影轴
axis oculi externa[医] 眼外轴
axisymmetric inlet轴对称进气道
axis of floatation漂心轴
axis of stream bed河床轴线
axis control point轴线控制点
axis of the gimbal平衡环轴