| 单词 | arithmetic progression |
| 释义 | arithmetic progression【计】 等差数列; 算术数列【经】 算术级数, 等差级数 arithmetic progression arithmetic progression n.Mathematics （名词）【数学】 A sequence, such as the odd integers 1, 3, 5, 7, . . . , in which each term after the first is formed by adding a constant to the preceding term.算术级数：从第二项起，每一项均由前一项加一个常数所构成的序列，如奇数1,3,5,7… |
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