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词汇 delta
释义

delta

Word family adjectivedeltaicdeltoidnoundelta
Related topics: Letters & punctuation, Geography, Geology
del·ta /ˈdeltə/ noun [countableC]  
1. SLAthe fourth letter of the Greek alphabet 德尔塔〔希腊字母表的第四个字母,即δ
2 SGan area of low land where a river spreads into many smaller rivers near the sea 〔河口的〕三角洲
 the Nile delta
尼罗河三角洲
Examples from the Corpus
From Longman Business Dictionary
deltadel·ta /ˈdeltə/ noun [countableC usually singular]
1STATISTICS a change in an amount
2FINANCE the relationship between a change in price of an option (=right to buy or sell shares etc) to the change in price of the underlying asset
Origin delta
(1300-1400) Greek from a Semitic language
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