tangent是什么意思_tangent怎么读_中英文释义(含例句用法)

tangent (adj.): 1590s, "meeting at a point without intersecting," from Latin tangentem (nominative tangens), present participle of tangere "to touch," from PIE root *tag- "to touch, to handle; border on; taste, partake of; strike, hit;" figuratively "affect, impress; trick, cheat; mention, speak of" (cognates: Latin tactus "touch;" Greek tassein "to arrange," tetagon "having seized;" Old English þaccian "stroke, strike gently"). First used by Danish mathematician Thomas Fincke in "Geomietria Rotundi" (1583). Extended sense of "slightly connected with a subject" is first recorded 1825. Related: Tangence; tangency.
tangent (n.): 1590s as a geometric function, from tangent (adj.). From 1650s as "a tangent line." Figurative use of off on a tangent is from 1771.

词态变化

复数 tangents;

权威造句

1. The conversation went off at a tangent.: 交谈突然偏离了正题。

2. 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.

3. The tangent may be used to find the direction.: 这方向也可用正切求得.

4. 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.

5. 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.

近反义词

arc tangent 反正切

fly off on a tangent 突然离题

go off at a tangent 跑题,突然做起其他事...

fly off at a tangent 沿切线方向飞出(越出...

tangent vector 切矢量

tangent scale [电]正切刻度[标度...

tangent modulus 正切弹性模数,切线模...

tangent wedge 切向楔

common tangent 公切线

tangent elevation 正切仰角

tangent point 切点

tangent line 切线

tangent galvanometer 正切电流计

tangent key 切向键

tangent distance 切距,切线长度...

tangent screw 切线螺旋

tangent welding 多极平行弧焊...

tangent angle 正切角

tangent plane 切面相切平面...

tangent bender 切线折弯机

相似短语

tangent to ...的切线

at a tangent 沿着切线的方向,突然扯到题外

horizontal tangent 水平切线

inflectional tangent 拐切线

tangent cylinder 切柱面

tangent formula 切线公式

tangent microbundle 切微丛

tangent pump 切线增压泵

tangent stiffness 切线刚度

triple tangent 三重切线

单词分析

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记忆方法

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tangent是什么意思，tangent怎么读

tangent基本信息

英英释义

中英词源