tangent
['tændʒənt]
adj. 接触的, 相切的, 离题的
n. 切线, 正切, 突然的转向
[音乐]击弦金属小片
例句与用法:
It's not easy to follow her think because she's always go off at a tangent.
要跟上她的思路并非易事,因为她老是突然扯到题外去。
The teacher was telling us about the poet's life, when he went off at a tangent and started talking about his war experiences.
老师在给我们讲述诗人生平故事的时候,突然把话题一转,讲开他自己的战争经历来了。
词形变化:
异体字: tangence |
n.[C]
1. 【数】正切; 切线
2. (铁路或道路的)直线区间
a.
1. 【数】正切的; 相切的; 切线的
tangent circles
相切的圆
2. 离题的; 背离原来途径的
tangent remarks
离题的话
短语词组:
go/fly off at a tangent
1. 突然离题
It's not easy to follow her thought because she's always going off at a tangent.
要跟上她的思路并非易事, 因为她老是突然扯到题外去。
tangent['tændʒənt]adj.1.■【几何学】正切的;相切的;切线的2.■接触的3.■离题的,扯得很远的n.1.■【几何学】切线;切面;正切;正切尺;切角2.■【测量学】(铁路、公路)直线区间3.■离题近义词adjacentgo (或 fly) off at (或 on) a tangent(说话时)突然离题,扯到题外;突然背离原来的思路;突然改变行径
tangenttangent[ˈtændʒənt]n.1.■切线, 正切2.■正切尺3.■离题的行为; 与目的无关的路线或方向4.■(铁路, 道路)直线区间at a tangent沿切线方向avoid wandering off on tangents避免离开正题
词性变化tangent[ˈtændʒənt]adj.1.■接触的2.■【数】相切的, 切线的3.■离题的, 脱离原来途径的tangent circles相切圆, 两个相切的圆tangent curve切线曲面a tangent line切线tangent plane切面tangent remarks扯得离题太远
[ˈtan(d)ʒ(ə)nt]
noun
- a straight line or plane that touches a curve or curved surface at a point, but if extended does not cross it at that point
切线,切面
■(figurative)a completely different line of thought or action
(喻)完全不相干的(想法或举动);离题
Loretta's mind went off at a tangent.
洛蕾塔的思想突然离题了。 - (Mathematics)the trigonometric function that is equal to the ratio of the sides (other than the hypotenuse) opposite and adjacent to an angle in a right-angled triangle
(数)正切
- (of a line or plane) touching, but not intersecting, a curve or curved surface
(线,平面)正切的
tangency
noun
语源
- late 16th cent. (in sense 2 and as an adjective): from Latin tangent- 'touching', from the verb tangere
tangent
名词 tangent:
a straight line or plane that touches a curve or curved surface at a point but does not intersect it at that point
ratio of the opposite to the adjacent side of a right-angled triangle
同义词:tan
tangent
■A sufficient length of tangent had better be placed between the reverse curves to facilitate the transition of superelevation .
10反向曲线间最好设置一段足够长的直线,以利于超高的过渡。
■The CML is derived by drawing a tangent line from the intercept point on the efficient frontier to the point where the expected return equals the risk-free rate of return.
CML来自于从有效边界上的截取点到预期回报等于无风险回报率的点画一条切线。
■Tan() returns the tangent of the arg parameter.
tan()返回参数arg的正切值。
■The tangent is an important concept in trigonometry.
“正切”是三角学中的一个重要概念。
■The graph of a concave function is always below its tangent .
一个凹函数的图象总在它的切线的下方。
■Some examples are given by inscribed and circumscribed circles ofpolygons, lines intersecting and tangent toconic sections, thePappusandMenelausconfigurations of points and lines.
一些例子所给予者和限制各界的多边形,线相交和相切的圆锥部分,帕普斯和墨涅拉俄斯配置的点和线。
■Construct the part of the tangent of the deltoid intercepted by the curve.
三角星形线的两条互相垂直的切线的交点在哪里?
■The four splines in the preceding illustration share the same tangent line at the starting point.
上面插图中的四个样条共享起点处的同一条切线。
■Not developing these skills allows you to generalize or go off on a tangent, losing the point you are trying to make.
不发展这些技巧会使你允许自己去概括或思想行动发生突然的改变,失去目标。
■Monlchamus tuhung roll in roller side rotation speed is lower than the tangentical roller tangent velocity control inking and prevent printing inks splash.
不朱斗辊在网纹辊一侧动弹,其切线速率矮于网纹辊的切线速率,纲的是把持不朱度及避免印不朱飞溅。
■Tangent track, on the other hand, may be ground to several contact points to promote non-conformal contact and thus reduce wheelset hunting.
与之对应,直线段的钢轨通常打磨成与车轮有几点接触的形状,车轮与轨道之间是非共形接触,从而减少轮对不正常的摆动。
■The peak fitting method was compared with other methods of peak resolution, such as,"Droplineseparation", "Triangulation" and "Tangent skimming", the result indicates that among these methods the fitting method is the most accurate one.
与常用重叠峰解析方法如中垂线法,三角形法和切线法解析结果的对比证明,曲线拟合法在这些方法中具有最好的准确度。
■Two orthopedic surgeons independently ealuated the sagittal alignment in each group twice using CCL, C1-C7 Cobb, C2-C7 Cobb, sagittal tangent, and the Ishihara methods.
两位骨科医师独立的评估矢状面在每组中2次,应用CCL法,C1-C7Cobb角法,C2-C7Cobb角法,矢状切线法,和Ishihara方法。
■A mouth outline feature extraction based on Bayesian Tangent Shape Model(BTSM) and a lip-reading system based on Dynamic Bayesian Network(DBN) is proposed for a talking head in this paper.
为实现文本/语音驱动的说话人头部动画,提出基于贝叶斯切线形状模型的口形轮廓特征提取方法和基于动态贝叶斯网络(Dynamic Bayesian Network,DBN)模型的唇读系统。
■One can not rely upon him; he is apt to fly off at a tangent.
人们不能依靠他,他的行为常超出常规。
■The feature and the effect of tangent pump to the pipeline network of fire system are presented.
介绍了切线泵的特点及其对消防给水管网带来的一些变化。
■The simulated flow field showed that helical and tangent intake port had a disturbance each other,and there was a lengthways swirl when the air intake had finished.
从流场切面图可看出,切向气道和螺旋气道的气流之间存在着相互作用,这种作用有利于形成较大的进气湍流;
■They changed their course to something like a tangent to the earth.
他们将航线改变为差不多与地球呈正切的方向。
■The modified Baldwin Lomax algebraic turbulent model is used to numerically simulate high incidence vortical flows about a tangent ogive cylinder.
以修正的 Baldwin- Lomax代数模型模拟湍流流动。
■Based on the point that the speeds of the hob and gear are equal along the tangent line at the cutting point, which is consistent with pure rolling between the pitch curves of the hob and gear, a group of equations is set up.
以切削点处工件和刀具的切向速度相等(滚刀节曲线和非圆齿轮节曲线保持相互纯滚动)基本依据,推导出坐标轴联动控制的一组方程式。
■An element tangent stiffness equation was derived based on the secant stiffness equation of stability function elements with shear deformation effects considered.
以考虑剪切变形影响的稳定函数单元的割线刚度方程为基础,导出了单元切线刚度方程。
■T his method is validated by the transmission characteristic optimization of a thr ee-dimensional multi-layered tangent ogive radome.
以雷达罩的透波率优化为例,对GA进行了具体说明,导出了有关的计算公式。
■The tangent of the complement of a directed angle or arc.
余切有方向角或弧的补角的正切
■The reciprocal of the tangent of an angle in a right triangle.
余切直角三角形中角的正切的倒数
■You can plot circles, points and lines, find intersections, connect lines to circles at tangents, and place circles tangent to angles.
你能够共同策划,削尖和,发现交叉点,联结到线以正切环行,和放置圆圈正切钓鱼。
■Value containing the angle whose tangent is the specified number.
值,此值包含其正切为指定数字的角度。
■Value containing the tangent of an angle.
值,此值包含角度的正切。
■Abstract method of“wave base tangent line”for the determination of oxidation peak intensity of ethanol in wine wa...
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■Heat airflow run into the distributor along tangent, through the guiding board and adjusting hook, and equably whirl spirally into the dryer.
其特点是热风以切线方向进入分配器,在导风板、空气分散器作用下,热风均匀地、螺旋式地进入喷雾干燥塔内。
■The test results show, thesize of exit has a larger influence to the velocity (especialy tangent velocity) field.
出口直径的大小对流场分布影响比较大,特别是切向速度的分布。
■The atanh() function returns the inverse hyperbolic tangent of an angle.
函数的作用是:返回一个指定角度参数所对应的反双曲正切值。
■The tan() function returns a number that represents the tangent of an angle.
函数的作用是:返回一个数字所对应的正切值。
■On the basis of analyzing the tangent press stress at the matrix entrance and the tangent press stress at critical crinkling in the course of the drawing of fleet sphere components.
分析了不锈钢锅盖成形工艺,确定了用一副复合模完成落料、浅球形的正向拉伸和低锥形的反向拉伸、冲孔和切边的工序过程。
■A detailed understanding of the Hong-Tan algorithm is analyzed and the difference between the Euclidean transformation and the tangent transformation is compared.
分析并给出了对于Hong-Tan算法的详细理解,而且比较了欧几里德变换和切变换。
■Tangential Orientated at a tangent to a circle, the circle being, for example, the surface of a plant stem.
切向的:沿圆周的一个切线方向。植物体存在的圆形可以为茎杆表面。
■The tangent, binormal, and normal attributes represent the coordinate axes of the tangent space surrounding each vertex.
切线,副法线和法线代表了每个顶点的切线空间的三个轴。
■Create the surface using sweep 2 rails with the tangency option on. To achieve tangent option you will have to build the surface in parts.
创建表面使用扫描第2轨与相切选项。为了实现切线选项,您将必须建设中的表面部分。
■Adaptive mutation of cells population was realized by using hyperbolic tangent function to determine mutation probability without considering limitation of affinity.
利用双曲正切函数,无须区分亲和度界限,决定个体细胞的变异率,实现细胞群的自适应变异;
■A new spline curve is presented which interpolates given points and tangent directions with piecewise involute of circle.
利用拼接的圆渐开线实现对平面上的数据点及其切向的插值。
■By the local tangent space representation theorem, distances between the test point and local tangent spaces were directly computed from sample dataset.
利用流形的局部切空间表示,直接从样本集出发求出测试样本到各局部切空间的距离,在这一度量上用近邻法进行分类。
■One moment the professor is working hard on a problem in physics, the next he's gone off at a tangent and he's talking about bees.
前一分钟教授还在努力解答一道物理题,下一分钟他就突然开始讲起蜜蜂来。
■TB,MELAS table for material 1 at temperature 0 has a tangent slope of its stress-strain curve (1.9E+11) greater than EX (1.2E+11).
加这两组数据的依据是什么?应力应变曲线的切线刚度(1.9E+11)怎么计算出来的?
■A curve or surface that is tangent to every one of a family of curves or surfaces.
包络线,包络面一条曲线或一个曲面,与一组曲线或曲面中的每一曲线或曲面保持正切
■The inverse hyperbolic tangent is the value whose hyperbolic tangent is number, so ATANH(TANH(number)) equals number.
反双曲正切值的双曲正切即为该函数的number参数值,因此ATANH(TANH(number))等于number。
■It is difficult to have a sensible discussion with my mother because she's always flying off at a tangent and talking about something else.
同我母亲进行有成效的讨论很困难,因为她总是突然离开话题,扯到其它一些事情上去。
■Likewise, the shared tangent at the ending point is the line drawn from the ending point to the previous point on the curve.
同样,在结束点处共享的切线是从结束点到沿着曲线的上一点绘制的一条线。
■Vector Bundles and the Differential: The Tangent Bundle.
向量丛和微分:切丛。
■Since we have already normalized our screen values, all we need to do is multiply them by the tangent to find a ratio for this point in the frustum.
因为我们已经定好屏幕相关值,我们现在所要做的就是依据正切来将其放大几倍以找出这个点在锥截体中的比值。
■The contour is represented by a set of pairwise tangent circular arcs.
因此,前一张影像上的器官轮廓线可当作下一张影像的参考轮廓线。
■Therefore, the study on the dielectric loss tangent electriferous monitoring technique of capacitive-type equipment is of practical values.
因此,对电容型设备介质损耗角进行带电检测技术的研究具有重要意义。
go/fly off at a tangent
1. 突然离题
It's not easy to follow her thought because she's always going off at a tangent.
要跟上她的思路并非易事, 因为她老是突然扯到题外去。
习惯用语go [fly] off at [on] a tangent1.■突然改变方针; 突然改变话题; 突然扯到题外; 突然离开原来的思路tangent to1.■...的切线特殊用法arc tangent1.■反正切arc-hyperbolic tangent1.■反双曲正切asymptotic tangent1.■渐近切线common tangent1.■公切线conjugate tangents1.■共轭切线cuspidal tangent1.■尖点切线Darboux's tangent1.■达布切线dielectric loss tangent1.■介质损耗角正切, 介质衰耗因数double tangent1.■二重切线dynamic mechanical loss tangent1.■动态力学损耗正切hyperbolic tangent1.■双曲线切线; 双曲正切inflectional tangent1.■拐切线loss tangent1.■损耗角正切, 损耗因数multiple tangent1.■多重切线natural tangent1.■正切真数peak slope tangent1.■峰斜切线simple tangent1.■单切线simple slope tangent1.■峰斜切线singular tangent1.■奇切线triple tangent1.■三重切线unit tangent1.■单位切线tangent to curve1.■曲线起点tangentto helix1.■螺旋切线