tractrix 的定义
plural trac·tri·ces [trak-trahy-seez, trak-truh-seez]. /trækˈtraɪ siz, ˈtræk trəˌsiz/. Geometry.
- a curve whose tangents are all of equal length; the involute of a catenary.
⚽高中词汇牵引力牵引线牵引器
plural trac·tri·ces [trak-trahy-seez, trak-truh-seez]. /trækˈtraɪ siz, ˈtræk trəˌsiz/. Geometry.