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

A wave whose waveform resembles a sine curve.
波形类似正弦曲线的波。
Then, the current of the paralleled branch coils excited by sine voltage is obtained by way of phasor.
然后，采用相量法求解出正弦电压激励下各并联支路的电流；
Alignment fields consist of very low distortion sinusoidal waves. Gradually, the separate sine waves have become visible.
排队过程包含很低的扭曲的正弦波。逐渐地，正弦波曲线出现明显的分离。
Fourier analysis is the mathematical method used to break sounds down into sine waves.
傅里叶分析是将声音分解为正弦波的数学方法。
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。
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。
In a solar system, each planet has its own sine wave.
在一个太阳系中，每颗行星有着各自的正弦波。
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。
This is the sine wave mentioned in the SAI Principle above.
这就是以上的SAI原理中提到的正弦波浪线。
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。