1.
Students may be confronted with difficulties in the application of complicated formulae of Spherical Trigonometry.
球面三角公式繁杂,学生在实际运用时感到困难。
2.
Intuitive Proofs of the Trigonometric Formulas and Formulas for the Sum of the Powers of Natural Numbers;
自然数幂和公式与三角公式的几何证明——数学史与数学教学关系个案研究
3.
The trigonometric terms should be changed by the substitution of the equations involving the double angles.
用倍角公式代换三角函数项。
4.
Hermite Paratrigonometric Interpolation Formulae and Their Applications;
Hermite半三角插值公式及其应用
5.
PRODUCTIVITY FORMULA OF HORIZONTAL WELLS IN FOUR SPOT AND TRIANGULAR PATTERNS
四点法和三角形井网水平井产能公式研究
6.
Rebuilding Principle Formula of Optical Triangulation Method of Displacement Measurement in View of the Lambert′ Theory
基于朗伯定律重建光学三角法测位移原理公式
7.
INTEGRAL CLASSIFICATION AND INTEGRAL FORMULAS FOR TRIANGULAR THIN-PLATE ELEMENTS
三角形薄板单元的积分分类和积分公式
8.
Study on Management Mode of Highway ETC Network of the Changjiang River Delta;
长三角高速公路ETC联网收费管理模式研究
9.
Research into the distance formula between related points in the triangle by means of vector method;
向量法研究三角形中相关点之间的距离公式
10.
An exploration on the model of policy-oriented agricultural insurance company in the Pearl River Delta
珠江三角洲地区政策性农业保险公司模式探讨
11.
A Ranking Method for a New Triangle Fuzzy Numbers
对一个三角模糊数距离测度公式的改进
12.
To Explore on the Pattern of "Trinity" Environment Treatment--Based on the Angle of Market、Public、Government Cooperating;
“三位一体”的环境治理模式探索——基于市场、公众、政府三方协作的视角
13.
Some high school students always are perplexed and at their wits' end when they do some exercises about the continue product of same kind trigonometric functions.
本文主要讲述三倍角公式在高中段数学教学中出现的一些同名三角函数连乘积计算中的应用。
14.
Calculation formula and precision analysis were provided.
给出了计算三维角变形的理论公式,最后进行了精度分析。
15.
Discussion to Standard Fuzzy Systems with Normal Trigonometric Membership Functions as Basic Functions
一类关于正规三角函数基的标准模糊系统逼近误差公式的讨论
16.
Triangle Shirtwaist Company fire
三角女衫公司大火事件
17.
hand-operated star-delta starter
手动式星三角起动机
18.
Solving the spatial angle for formula"cosθ=cosθ_1 cosθ_2";
用公式cosθ=cosθ_1 cosθ_2求空间角