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词汇 pi
释义

pi

Related topics: Maths, Numbers
pi /paɪ/ noun [uncountableU]   pie
technicalHM a number that is represented by the Greek letter (π) and is equal to the distance around a circle, divided by its width 圆周率 (π)
Examples from the Corpus
Origin pi
(1800-1900) From the name of the first letter of Greek periphereia distance around a circle
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