三角学

他的三角学分数很低。

He received a low mark for trigonometry .

该山的高度已用三角学测得。

The height of the mountain has been determined by trigonometry .

数学，包括学前、代数、几何、三角学。

Mathematics , including Pre-Algebra , Geometry , Trigonometry .

我在学校里没学多少三角学。

I didn 't do much trigonometry at school .

球面三角学在球罐设计中的应用

Application of Spherical Trigonometry in Design of Spherical Tanks

“正切”是三角学中的一个重要概念。

The tangent is an important concept in trigonometry .

17&19世纪我国在球面三角学方面的研究成果

Some Results on the Spherical Trigonometry in China during the Seventeenth to Nineteenth Centuries

球面三角形的三角学。

The trigonometry of spherical triangles .

印度人和希腊人一样，把三角学当作他们天文学的工具。

The Hindus , like the Greeks , regarded trigonometry as a tool for their astronomy .

电子三角学的应用&电子象的位置不变、放大倍数可变的设计

An application of electron trigonometry

高中物理学习所需三角学的知识普遍存在不足或滞后，且对物理学习的影响较大。

Trigonometry knowledge is universally wanted in senior high school physics learning , which greatly effects physics learning .

运用球面三角学，建立了动态靶标与被测仪器间的数学模型；

The mathematical models of the dynamic target and the tested apparatus are constructed with spherical trigonometry spherics .

课题包含利用流体物理学规律，以及物理学和三角学的应用来对血溅形态进行分析。

Topics include the physical laws of fluids and the application of physics and trigonometry to bloodstain pattern analysis .

三角学帮助旋转和移动人物，代数帮助创作使形象闪闪发光的特效。

Trigonometry helps rotate and move characters , while algebra creates the special effects that make images shine and sparkle .

基于球面三角学的球面并联机构位姿正解近轴球面反射成像的二级近似与象差

Direct Position Analysis of Spherical Parallel Mechanisms Based on Spherics The More Exact Law and Aberration of Reflection Image on Axial Spherical Surface

当我十几岁的儿子从学校背回家满满一书包的三角学家庭作业，我该说什么？

What am I meant to say to my teenage son when he comes home from school with a bag full of trigonometry homework ?

运用三角学方法和最少自由度原则，得到了操作手运动方程简化的求解算法。

By means of trigonometric method and the principle of least degree of freedom , a simplified method for solving kinematic equations of the manipulator is proposed .

任何两点之间实际的位移可用比例尺和分度器画简图予以判断，或者使用简单的三角学计算之。

The actual displacement between any two points may be determined by drawing a scale diagram with a ruler and a protractor , or by using simple trigonometry .

从两个定点到一个定点的角度测量该定点位置的一个三角学方法；用于导航。

A trigonometric method of determining the position of a fixed point from the angles to it from two fixed points a known distance apart ; useful in navigation .

我们遇到的挑战一部分是认清知识之间的缺口，以及明白这份挑战不只是因为学生不懂代数或者三角学。

Part of the challenge is to identify the gaps in knowledge , to clarify that the challenge is not that a student simply doesn 't understand algebra or trigonometry or whatever .

我们知道如何去解决未知的东西，那么这就是代数。我们也知道用三维空间去思考--这就是几何学和三角学。

We know how to solve for unknowns , for example . That 's algebra . We also are able to think in terms of three dimensional spaces - that 's geometry and trigonometry .

本文首先说明了正弦函数的起源，继而，由于天文学研究的需要，希腊学者建立了三角学，这标志着三角学的产生，正弦函数得到进一步发展。

This paper first describes the origins of the sine function . Then , due to the need for astronomical research , the Greek scholar established trigonometry , trigonometry which marks generated , the sine function has been further developed .

三角学中的许多等式、不等式都有强烈的几何背景，如能在教学中利用其几何背景数形结合地进行证明、求解，则可收事半功倍之效。

Many equality and the inequality all has the intense geometry background , if can use its geometry background number shape union in the teaching carries on the proof , then may receive the twice the result with half the effort effect .

她努力想从崔茜卡的开场大屠杀中恢复过来，于是搬出周日弧、上升角以及三维三角学里一大堆更加深奥的理论，巴望着能从容不迫地把对方糊弄过去。然而很快她就大吃一惊，发现自己完全打错了主意。

She was just starting to recover from the initial onslaught , when she made the rather serious mistake of trying to shake Tricia off by talking smoothly about diurnal arcs , right ascensions and some of the more abstruse areas of three-dimensional trigonometry .

本文通过翔实的资料，就元代“0”空位、阿拉伯数码、弧三角学的运用及回回数学著作的引入进行了系统的阐述，并以此探究了元代传入的回回数学知识对中国数学所产生的影响。

On the basis of abundant materials , the article expounds systematically the " zero " space , the Arabian numbers , the use of arc trigonometry and the bringing in of Moslem mathematics books and discusses the influences of Moslem mathematics brought in Yuan dynasty of Chinese mathematics .