卵形线 meaning in Chinese

closed convex curve
oval

Tangent orthogonal frame bundle
正切卵形线
The enterprise danyang futang bedding co . , ltd . offers among other things comfort and spain
为您提供关于舒适和圆的、卵形线的信息。
The enterprise of beijing mingsheng gardens afforesting co . , ltd . offers you trunk , spoon and oval as well as the further lotus and pool
在以下范围内我们提供产品和服务：行李舱、勺、取样勺、挖斗、铲斗、铸勺和圆的、卵形线以及莲花或工作存储器、随机存取存储器。