| 单词 | pi |
| 释义 | pi From Longman Dictionary of Contemporary EnglishMaths, Numberspipi /paɪ/ noun [uncountable]technicalHM a number that is represented by the Greek letter (π) and is equal to the distance around a circle, divided by its widthExamples from the Corpuspi• A broken networked intelligence may be able to calculate pi to the billionth digit but not forward e-mail to a new address.• Consider a symmetric equilibrium in which the n firms in industry i all charge a price pi.• Now came the pi ce de r sistance.• One of his most popular miracles occurred one day while pi owing.Origin pi (1800-1900) From the name of the first letter of Greek periphereia “distance around a circle” |
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