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
- 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。 - A wave whose waveform resembles a sine curve.
波形类似正弦曲线的波。 - 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。 - This is done by applying one sine wave to the two vertical plates.
其方法是把一个正弦波加到两个垂直板上。 - 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。 - 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； - 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。 - There appears a sine wave on the screen.
在荧光屏上出现了正弦波。 - 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。 - The Research and Realization of Sine Wave Inverter in Wind Power System
风力发电系统中正弦波逆变器的研究与实现