decimal ratio

基本解释

It's also an irrational number, with an infinite number of decimal places and can't be written as a ratio of two whole numbers.
pai也是个无理数，它的小数位有无限多，而且pai无法写成了两个整数的比值。
See! An ancient mathematics Zu hongzhimy had work out the circumference ratio 17 behind decimal point, leading for 1000 years in the world;
看！古代著名数学家祖冲之算出圆周率的小数点后17位，在世界上领先了1000年；
bgy.65sky.blog.163.com
This paper introduces the calibration of current transformers with special current ratio of decimal fraction The application of the current comparator is also introduced.
介绍了电流比是小数的电流互感器的检定，以及电流比例标准的灵活应用及检测时给被检电流互感器带来的附加误差。