1.
N-COUNT
切线 A tangent is a line that touches the edge of a curve or circle at one point, but does not cross it.
- Noun
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1. a straight line or plane that touches a curve or curved surface at a point but does not intersect it at that point
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2. ratio of the opposite to the adjacent side of a right-angled triangle
- synonym: tan
体育
- 1.切线
数学
<名>
- 1.正切
计算机
- 1.正切;切线


