[ 复数 tangents ]
完全正确﹗ 所谓“30, 40, 50, 60, 70”,并非角度,而是三角几何的正切(Tangent) 值转化为百分之几的意思。(0)就是百分之零--平面﹔ (60)就是百分之六十---大约
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tangent bundle [数] 切丛
Tangent vector 切矢量 ; 切线矢量
upper tangent arc 上正切晕弧
arc tangent [数] 反正切
Project Tangent 投射切线 ; 投影切线 ; 映射切线工具
loss tangent 损耗正切
common tangent [数] 公切线
hyperbolic tangent 双曲正切 ; 双曲正切函数 ; 双曲线正切 ; 超正切
Spline curves constructed are of C1-continuity and C2-continuity, and are shape preserving to tangent polygon.
构造的样条曲线整体C1和C2连续,且对切线多边形是保形的。
参考来源 - CAGD中基于Bézier方法的曲线曲面表示与逼近·2,447,543篇论文数据,部分数据来源于NoteExpress
N-COUNT A tangent is a line that touches the edge of a curve or circle at one point, but does not cross it. 切线
PHRASE If someone goes off on a tangent, they start saying or doing something that is not directly connected with what they were saying or doing before. 突然离题 [V and N inflect]
The conversation went off on a tangent.
谈话突然偏离了正题。
If we were moving on the tangent plane, this would be an actual equality.
如果我们在切平面上移动,这将会是一个真正的等式。
The conversation went off on a tangent.
谈话突然偏离了正题。
And you know this is just what sine,cosine,and tangent are.
VOA: standard.2010.03.26
The basic idea is, you take a guess and you -- whoops -- and you find the tangent of that guess.
首先取个猜想数,然后,嗯,去取猜想数那儿的切线。
Show me a place where that's not true where the tangent line will be really bad.
请给我个这个原则不对的例子,也就是说切线没起到相应作用的例子。
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