| 单词 | cumulative sum |
| 释义 | > as lemmascumulative sum cumulative sum n. (a) the aggregate or total amount of something, the sum total; (b) Mathematics a partial sum of terms of a given sequence. ΚΠ 1853 Morning Post 18 Aug. 2/2 The cases in which the payment of the penny is made in separate and isolated, instead of cumulative sums, present greater difficulty. 1928 Jrnl. Amer. Statist. Assoc. 23 123 The movement of the cumulative sum of the xy products shows the trend in the degree of concurrence. 1956 Times 7 Dec. 9/5 Britain had already made available a cumulative sum of about £86m. in grants since 1951. 1995 Jrnl. Appl. Econometrics 10 105 Table II presents the Phillips–Ouliaris bounds tests for convergence and the cumulative sums of the eigenvalues. 2012 Oecologia 168 705/1 The thermal sum is the cumulative sum of daily mean temperatures exceeding +5°C from the beginning of March. < as lemmas |
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