radian是什么意思 radian的读音、翻译、用法

radian是什么意思 radian的读音、翻译、用法

'radian'是英语单词,中文翻译为“弧度”。弧度是衡量角度大小的一种单位,定义为圆上弧长等于半径长度的角所对应的角度大小。在数学和物理学中广泛使用,常用于描述圆周运动和三角函数。

以下是9个含有'radian'的例句:

1. The angle in radians is equal to the arc length divided by the radius.(弧度角等于弧长除以半径。)

2. In trigonometry, all angles are measured in radians.(在三角学中,所有角度都用弧度表示。)

3. One revolution around a circle is equal to 2π radians.(绕一周圆等于2π弧度。)

4. The sine and cosine functions are defined using radians.(正弦和余弦函数的定义中使用弧度。)

5. The angular velocity is measured in radians per second.(角速度以弧度每秒为单位表示。)

6. The phase shift is measured in radians.(相位偏移以弧度为单位表示。)

7. The area of a sector is equal to half the radius squared times the angle in radians.(扇形面积等于半径平方乘以弧度角的一半。)

8. The tangential acceleration is equal to the radius times the angular acceleration in radians per second squared.(切向加速度等于半径乘以角加速度的平方以弧度每秒表示。)

9. The period of a simple harmonic oscillator is proportional to the square root of the ratio of the mass and the spring constant, and inversely proportional to the square root of the amplitude, all measured in radians.(简谐振动器的周期与弧度表示的质量和弹簧常数比值的平方根成正比,与振幅的平方根成反比。)



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