“心脏线”用英语怎么说

作旋转的心脏线和旋转的星状线,且彼此维持正交.Construct rotating cardioid and astroid while remaining orthogonal to each other.作旋转的心脏线和旋转的三角线,且彼此维持正交.Construct rotating cardioid and deltoid while remaining orthogonal to each other.作旋转的心脏线和旋转的肾...