查询词典 sine function

We derive the addition formulas for sine and cosine from the arithmetic of complex numbers.

用复数算术推导了正弦，余弦的加法公式。

Through the test of sine wave sweep, the character of response of aeolian sand due to motivation is gained.

利用正弦波扫频试验，得到风积沙对激励的响应特性。

The solution composed by algebraic polynomial with double sine series is used to satisfy the corner conditions.

另外用代数多项式和双正弦级数组成的解来满足角点条件。

The algebraic polynomial with double sine series solutions can also satisfy the problem of boundary conditions at four comers.

还有代数多项式和双正弦级数解，它能满足4个角的边界条件问题。

The description methods of natural scenery was studied based on fractal, that is, recursive method, L-system method, IFS and IFS description method was put forward based on sine or cosine. This method overcomes angularity and consistency of recursive method, L-system method and IFS, and the variety of fractal sculpting consequence can be added and the basis for the later research and the application was provided.

对基于分形的描述自然景物方法，即递归洪、L-系统法、IFS法进行了分析研究，在此基础上，提出基于正余弦的IFS描述法，该方法克服了递归法、L-系统法、IFS法等描述方法的生硬性和一律性，增加了分形造型结果的多样性，为以后的深入研究和应用提供了依据。

Chapter 1 is introduction, introduced the application of sine signal generator to test system and its technological developments and trends.

论文第1章是绪论部分，介绍了正弦信号发生器在测试系统中的应用、技术发展及趋势。

Furthermore, loss and crosstalk characteristics of bend intersections formed by sine bend, cosine bend and arc bend are compared.

在此基础上，对由正弦弯曲、余弦弯曲以及圆弧弯曲三种弯曲波导构成的SOI交叉波导的损耗及串扰特性进行了分析比较。

Returns the arc sine of x in radians.

返回 x 的正弦值。

Angle equals one-half arc sine of gravity times distance over velocity squared.

角度等于重力的反正弦乘以距离除以速度平方

Arc sine -- in radians !!!

反正弦 --以弧度为单位！！！

Yet, Edith says, there was always money in the bank.

但是Edith说，她的银行户口里面总是有钱。

We have created a series of files that resolve this problem--one for each day of the 40 days of purpose.

我们制作一系列的档案去解决这问题---一个为标竿40天中的每一天。