circumference ratio

Zuchong has accurately calculated the ratio of the circumference to seven points after the radix point.

祖冲之很早就把圆周率准确推算到小数点后七位.

How to Calculate the Area of Circle and Ratio of the Circumference of to Its Diameter ITO formula of a function of

圆面积公式与圆周率究竟是怎样推求的

The Preliminary Study of Dynamic Change of Chest Circumference/ Head Circumference Ratio and Its Significance

婴儿胸围/头围比的动态变化及其意义初探

With Java program computation stochastic points in circular domain and square ratio of the stochastic points, this paper obtains the square and its inscribed circle area ratio, and calculates the ratio of the circumference of a circle to its diameter.

用Java程序计算圆内随机点的点数与正方形内随机点数之比，得到正方形和其内切圆的面积比，计算出圆周率。

Both waist circumference and waist-to-hip ratio proide a measure of central obesity.

腰围值和腰臀比值是测量中心型肥胖的方法.

Anthropometric measurements included height, weight, BNI, waist circumference, hip circumference and waist to hip ratio.

身体测量包括身高、体重、胸围、臀围、腰围与臀围比率（WHR）。