·2,447,543篇论文数据，部分数据来源于NoteExpress
It is proved that the intersecting line of the two curved surface is space curve, and the equation is quartic implicit function with one unknown.
论证了两曲面的交线为空间曲线，其方程为一元四次隐函数关系式；
youdao
应用推荐
模块上移
模块下移
不移动