tangent background

tangent

/ˈtæn.dʒənt/

Illustration tangent - Image 1

Illustration tangent - Image 2

noun

切线

A straight line touching a curve at a single point without crossing it there.

Examples :

"The tangent to the graph of the student's test scores showed a sharp increase after the tutoring sessions. "

辅导课后，学生考试成绩图的切线显示出了显著的增长。

Illustration tangent - Image 1

Illustration tangent - Image 2

noun

正切

A function of an angle that gives the ratio of the sine to the cosine, in either the real or complex numbers. Symbols: tan, tg.

Examples :

"The math problem asked for the tangent of 30 degrees. "

这道数学题要求求30度的正切值。

math function number

Illustration tangent - Image 1

Illustration tangent - Image 2

noun

题外话，离题。

A topic nearly unrelated to the main topic, but having a point in common with it.

Examples :

"I believe we went off onto a tangent when we started talking about monkeys on unicycles at his retirement party."

我觉得我们在他的退休派对上聊到猴子骑独轮车的时候，就开始跑题了，有点像题外话。

communication language point writing

Illustration tangent - Image 1

noun

琴槌，击弦器。

A small metal blade in a clavichord that strikes the strings to produce sound.

Examples :

"The clavichord's delicate tangent struck the strings, producing a soft, tinkling sound. "

古钢琴上精致的琴槌敲击琴弦，发出了柔和、叮叮当当的声音。

music machine device sound item

Illustration tangent - Image 1

Illustration tangent - Image 2

adjective

相切的，正切的

Touching a curve at a single point but not crossing it at that point.

Examples :

"The carpenter used a tangent line to measure the curve of the wooden arch before cutting it. "

木匠在切割木拱之前，用一條相切的直線來測量它的弧度。

math technical science point

Illustration tangent - Image 1

adjective

离题的，不相关的.

Of a topic, only loosely related to a main topic.

Examples :

"The teacher's lecture on the history of the Roman Empire had a tangent about the importance of good sanitation in ancient cities. "

老师关于罗马帝国历史的讲座，稍微跑题讲了一下古代城市卫生清洁的重要性。

language communication