英:[ˈtændʒənt]
美:[ˈtændʒənt]
英:[ˈtændʒənt]
美:[ˈtændʒənt]
tan·gent
taen jnt
复数:tangents
词根:tangent
adj.tangential [数] 切线的,[数] 正切的;离题的,扯远的
adv.tangentially 无关地;切线地
n.tangential 正切,切线
tangency 相切,接触
noun
an abrupt change of course : digression
the speaker went off on a tangent
the trigonometric function that for an acute angle is the ratio between the leg opposite to the angle when it is considered part of a right triangle and the leg adjacent
a trigonometric function that is equal to the sine divided by the cosine for all real numbers θ for which the cosine is not equal to zero and is exactly equal to the tangent of an angle of measure θ in radians
a line that is tangentspecifically: a straight line that is the limiting position of a secant of a curve through a fixed point and a variable point on the curve as the variable point approaches the fixed point
a small upright flat-ended metal pin at the inner end of a clavichord key that strikes the string to produce the tone
adjective
meeting a curve or surface in a single point if a sufficiently small interval is considered
straight line tangent to a curve
having a common tangent line at a point
tangent curves
diverging from an original purpose or course : irrelevant
tangent remarks
tangent line切线,正切
tangent point切点;切向点
tangent plane切面相切平面
tangent modulus切线模量,切线模数;正切模量;地基应力和变形切线模量
hyperbolic tangent双曲正切
arc tangentn. 反正切
loss tangent损耗因数;损耗角正切
tangent space切空间;切丛;切线空间
tangent vector正切向量,切矢量
tangent method切向法;切线法;正切法
tangent length切线长度;切线长
base tangent length公法线长度
1590年代,“在不相交的点相遇”,源自拉丁语 tangentem(主格 tangens),是 tangere “触摸”的现在分词,源自 PIE 词根 *tag- “触摸,处理”。首次由丹麦数学家托马斯·芬克(Thomas Fincke)在 "Geomietria Rotundi"(1583)中使用。 “与主题略微相关”的扩展意义首次记录于1825年。相关: Tangence; tangency。
切线
正切
Noun New Latin tangent-, tangens, from linea tangens tangent line Adjective Latin tangent-, tangens, present participle of tangere to touch; perhaps akin to Old English thaccian to touch gently, stroke
The first known use of tangent was in 1594
tangible1 of 2adjective
capable of being touched
capable of being understood and appreciated
tangible2 of 2noun
something tangible
tangerinenoun
any of various mandarin oranges having a usually deep orange skin and pulpalso: a tree producing tangerines
tangent1 of 2adjective
touching a curve or surface at only one point
a straight line tangent to a circle
tangent2 of 2noun
a trigonometric function that for an acute angle in a right triangle is the ratio of the side opposite the angle to the side next to it
a line that is tangent
a sudden change of course
the speaker went off on a tangent
tangent1 of 2adjective
touching a curve or surface at only one point
a straight line tangent to a circle
tangent2 of 2noun
a trigonometric function that for an acute angle in a right triangle is the ratio of the side opposite the angle to the side next to it
a line that is tangent
a sudden change of course
the speaker went off on a tangent
1 It’s because our job description is neither to affirm nor to oppose popular opinion, but to plot a tangent away from it.
2 But on the album, unexpected sounds also tend to loom up — electronics, a saxophone, a drum machine, a choir — and song structures sometimes dissolve or go on tangents.
3 As your approximations of the tangent lines get better and better, the points on the curve you use to create the approximations get closer together.
4 Does the Cross Member remain tangent to the Vertical Member?
水平交叉部分是否和垂直部分保持相切?
5 When the path made a gruelling ascent, I needed to find an equally steep tangent rising within me.
6 There’s an almost jazzy rhythm to his comedy, with his tangents integrated so seamlessly that it’s hard to tell what’s planned and what isn’t.
7 For? 0 we naturally get a circle; for? 0 we obtain two tangent circles.
对? 0我们当然得到一个圆; 对? 0得到两个相切的圆.
8 Like much sketch comedy, though, “The Lapsburgh Layover” doesn’t know how to resolve the narratives it has created, and many routines trail off or get lost in unsatisfying tangents.
9 For Li, what endures in tangent with her deep sense of gratitude is a reinvigorated confidence in her abilities and instincts as a chef.
10 You see, within the original Examiner.com piece, Ampong went off on a bit of biblical tangent.
11 The tangent may be used to find the direction.
这方向也可用正切求得。
12 Writing a book encourages tangents and twists and turns that you can’t indulge in a half-hour script.
13 The installation consists of tangent colored circles raised about six feet above the ground by a forest of black and white pillars.
14 Let's think about the tangent plane with regard to a function f.
我们来考虑,关于函数f的一个切平面。
15 That means a magnet has to nudge the protons to enter the circular beam pipe on the tangent.
这意味着必须设置一个磁铁,以便调整质子束方向以保证沿着切向方向导入圆形粒子束管道。
16 His weaving riffs and tangents occupy the lead singer role, then give way to a melody honked out by one melodica, then two.
17 Construct an animation showing the tangent sweeping out the interior of astroid.
建构一动态绘图:展示星状线的切线所有扫掠过的内部轨迹.
18 The earth,..without flying off in a tangent line, constantly rolls about the sun.
19 But Ackerman’s stories aren’t quite boring — they’re streams of consciousness, drifting off into tangents and logical eddies that recreate the way your brain works in the hypnagogic moments right between waking and sleeping.
20 It’s not exactly subtle, nor is the show’s argument entirely focused; the season-ending arc has involved a tangent about deceptive online advertising.
1 相切
2 切面
3 离题
discursive desultory digressive excursive excursion wandering sidetrack digression glance wander stray deviate diverge divagate excurse beside the question talk from the point travel out of the record off the point off the track drift digress tangential afield irrelevance impertinent divergence impertinence trail
4 切线
5 接触的
6 接触着的
7 正切
9 正切的
10 接触
contact contiguous tangential taction touch exposure kiss contiguity tangency contingence join be exposed to traffic touching against meet close apply reach expose make contact come into contact with incidence associate in touch get in touch with cope impinge osculate
11 相切的
12 切线的