| 词汇 | pi |
| 释义 | pi noun uk /paɪ/ us /paɪ/(symbolΠ, π) [ U ] mathematics, science the number (approximately 3.14) used to calculate the size of circles圆周率 [ C or U ] language the 16th letter of the Greek alphabet（希腊语字母表的第16个字母） Mathematical symbols addition sign degree division sign equal sign expression foot minus multiplication sign operator placeholder plus point solidus subtraction sign value X, x Y, y You can also find related words, phrases, and synonyms in the topics: Letters of alphabets PI noun mainly UK(US usuallyP.I.)uk /ˌpiːˈaɪ/ us /ˌpiːˈaɪ/ PInoun (INVESTIGATOR)[ C ] abbreviation for private investigator: someone whose job is discovering information about people, but who is not a police officer or a government employee: Some states allow PIs to carry firearms. A PI had been hired to follow the judge’s family. [ C ] abbreviation for principal investigator: the person leading a scientific or engineering project: The PI should be called if there is any question of re-irradiation. Detection & solving crimes all-points bulletin ankle bracelet ankle tag ANPR APB electronic tagging fingertip search forensic forensically forensics profiling psychological profile psychological profiling radar trap raid surveil tighten tighten the netidiom tracker dog truth serum PInoun (BUSINESS)abbreviation for profitability index: a measurement of how much profit a project is likely to make : The PI is a way to evaluate a project’s potential return. Typically PI is used to evaluate capital projects. Profits & losses anti-profiteering anti-speculative be a licence to print moneyidiom buoyancy buoyant cash cow deficit lose lose your shirtidiom margin muck non-profit-making out-of-pocket profit from something profit warning profitability rake-off trade surplus winnings PInoun (LAW)abbreviation for professional indemnity: a type of business insurance that protects against claims by customers: Not having PI policies leaves professionals in danger of losing their personal assets and businesses to lawsuits. Rates for PI insurance have rocketed. abbreviation for personal injury: physical or mental harm that is caused to someone, especially when this is the fault of another person or an organization: A PI trust can't be set up where the injuries were fatal. The PI chiropractor specializes in car accident injuries. Insurance actuarial assessor assurance bancassurance broking burial society comprehensive comprehensive insurance health coverage indemnification indemnify insurable life assurance mature non-network policy protect third-party insurance uninsurable uninsured You can also find related words, phrases, and synonyms in the topics: Injuring and injuries pi | American Dictionarypi noun[ U ] us/pɑɪ/(symbolπ) geometry a number that is the ratio (= comparison) of the distance around a circle to the distance across the circle, equal to about 3.14159 |
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