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
英英释义
noun
- ratio of the length of the side opposite the given angle to the length of the hypotenuse of a right-angled triangle
双语例句
- 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。 - Above, we plotted both the sine and cosine on the same graph.
上面，我们在同一图中绘制了正弦和余弦曲线。 - 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。 - 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。 - 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。 - A kind of three-phase reference sine wave signal generator based on DSP digital oscillator is designed.
提出一种基于DSP数字振荡器产生三相基准正弦波信号的设计方法。 - 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。 - 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。 - Both sine wave and steep pulse edge are special cases of complex frequency wave.
正弦振荡和脉冲边沿都是自激复频率波的特定情形。 - Good governance is today considered the sine qua non for sustainable development and social justice.
今天，善治被看成是可持续发展和社会公平的基本条件。