摆线齿准双曲面齿轮
cyclo-palloid hypoid gear
单叶双曲面
uniparted hyperboloid
Curve of uniparted hyperboloid
unparted hyperboloid
hyperboloid of one sheet
hyperboloid
单叶双曲面的最小椭圆
minimum ellipse of a hyperboloid of one sheet
单叶旋转双曲面
hyperboloid of one sheet of revolution
回转双曲面
hyperboloid of revolution
回转双曲面滑动轴承
hyperboloidal sliding bearing
抛物面双曲面镜
paraboloid hyperholoid mirror