圆周率
ChineseEdit
For pronunciation and definitions of 圆周率 – see 圓周率 (“pi; ratio of the circumference of a circle to its diameter”). (This term, 圆周率, is the simplified form of 圓周率.) 
Notes:

For pronunciation and definitions of 圆周率 – see 圓周率 (“pi; ratio of the circumference of a circle to its diameter”). (This term, 圆周率, is the simplified form of 圓周率.) 
Notes:
