sine

英 [saɪn]

美 [saɪn]

n. 正弦

复数：sines　

BNC.26174 / COCA.20093

牛津词典

noun

正弦
the ratio of the length of the side opposite one of the angles in a right-angled triangle that are less than 90˚ to the length of the longest side

noun

ratio of the length of the side opposite the given angle to the length of the hypotenuse of a right-angled triangle
Synonym:sin

Successful agricultural reform is also a sine qua non of Mexico's modernisation.
成功的农业改革也是墨西哥实现现代化的必要条件。
Adopting the form closure error and the motion transmission error of sine curve to carrying out theoretical analysis of this cam mechanism.
对该凸轮机构采用正弦曲线的形封闭误差和运动传递误差进行了理论分析。
Let us plot both the sine and the cosine curves.
假设我们同时绘制正弦和余弦曲线。
A measurement system for sine signal phase difference is designed by using DSP and digital correlation method.
设计一个采用DSP技术和数字相关法测量两路正弦信号相位差的检测系统。
On some identities of sine and cosine functions;
目的研究正弦函数和余弦函数的一些计算公式。
In general, sounds are represented by a sum of sine waves.
一般的，声音表现为多个正弦波的叠加。
Study on Sine Wave Frequency Estimation Method Based on DTFT
基于DTFT的正弦波频率估计方法研究
By using moving one period sine wave model, the precise demodulation of FM signal wave is achieved.
在此基础上讨论实现正弦载波的调频信号的精确解调问题。
A wave whose waveform resembles a sine curve.
波形类似正弦曲线的波。
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。