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也是個無理數，它的小數位有無限多，而且pai無法寫成了兩個整數的比值。
See! An ancient mathematics Zu hongzhimy had work out the circumference ratio 17 behind decimal point, leading for 1000 years in the world;
看！古代著名數學家祖沖之算出圓周率的小數點後17位，在世界上領先了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.
介紹了電流比是小數的電流互感器的檢定，以及電流比例標準的霛活應用及檢測時給被檢電流互感器帶來的附加誤差。