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
- 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。 - 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。 - Based on response of CCD to the sine input signal, the period and extremal positions of output signal were analyzed and simulated.
CCD对正弦输入信号的响应特性的基础上，对信号输出周期、极值位置进行了理论分析和数值模拟。 - 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。 - 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。 - 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。 - This paper gets the frequency stability of a sine wave using a digital method.
本文实现了利用数字方法计算正弦波的频率稳定度。 - 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。 - 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。