symmetry axis [数] 对称轴 ; 对称轴线
polar symmetry axis 极性对轴 ; 极性对称轴
symmetry axis of rotation 又称旋转轴 ; 旋转对称轴
three-fold symmetry axis 三次对称轴线
n-fold symmetry axis 重对称轴
non-polar symmetry axis 非极性对称轴
screw symmetry axis [矿物] 螺旋对称轴
nonpolar symmetry axis 非极性对称轴
Add some edges to the top of this trunk door to create the ballooning along the symmetry axis.
加上一些优势，以最高的，这门主干创造气球沿对称性轴。
The method of establishing radial support steel bars based on the symmetry axis of heads to manufacture the melon petal dies was presented.
介绍了以封头对称轴为中心沿径向设置立筋制作瓜瓣封头压制模具的过程。
The principle component analysis and face bray center are used to detect the symmetry axis, and the valley method is applied to detect and verify the eye candidates.
首先利用主分量分析法和人脸重心确定人脸对称轴，再结合山谷法进行眼睛候选点的提取和验证。
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