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- The reciprocal of the radius of a circle. 曲率一个圆半径的倒数
- Measure the radius of a circle 测量圆的半径
- The radius of a circle described by a crank, cam, or similar machine part. (曲轴的)半径曲柄、凸轮或类似机器部件形成的圆的半径
- We are measuring the radius of the circle. 我们正在测量圆的半径。
- A unit of angular measure equal to the angle subtended at the center of a circle by an arc equal in length to the radius of the circle, approximately57=17?4.6". 弧度平面角的一种衡量单位，其大小为长度等于半径的弧对的圆心角，1弧度角约等于57＝17?44。6
- The radius of a circle described by a crank,cam,or similar machine part. （曲轴的）半径曲柄、凸轮或类似机器部件形成的圆的半径
- If the radius of a circle is longer, the area of the circle will be larger. 半径越长,圆的面积越大。
- The radius of a circle is 4cm, how many square centimeters is its area? 一个圆的半径是4厘米，它的面积是多少平方厘米?
- The axis of a circle is its diameter. 圆的轴线是其直径。
- What [How long] is the radius of this circle? 这个圆的半径有多长?
- extend like the radii of a circle. 延伸好像一个圆的半径。
- People used to measure the radius of nonplastic circular by the length of bowstrings in the geometric calculation . 在几何量测量中一直以弓高弦长等方法测量非整形圆弧半径值。
- Write a function that determines the area of a circle given the radius. 写一个函数,判断一个给定半径的圆的面积。
- This paper calculates the radius of curvature of lens exactly by using average method to measure the diameter of Newton s rings. 本文通过用平均值法测定牛顿环的直径,解决了牛顿环直径测不准的问题,从而精确地计算出透镜的曲率半径。
- A radian is the angle subtended by an arc of a circle whose length is just equal to the radius. 一弧度就是长度刚好等于半径的一段圆弧所对的圆心角。
- The diameter and the circumference of a circle. 圆的直径和圆周相关联。
- What is the radius of this circle? 这个圆的半径有多长?
- He should have been the sun of a circle. 他本应该做一个周而复始的太阳。
- A Better way of Measuring the Radius of Curvature of a convex Spherical Surface 凸球面曲率半径的测定
- Almost all the balls follow the shape of a circle. 几乎所有球类都呈圆形。
