| 释义 |
arithmetic progression ˌærɪθmetɪkprəˈɡreʃn ＭＳ短语¹³¹⁶²⁰⁺³
基本英英Thesaurus例句
等差级数，等差数列
数列数学
Noun:
mathematics a progression in which a constant is added to each term in order to obtain the next term;1-4-7-10-13- is the start of an arithmetic progression noun.arithmetic sequence
同义词 arithmetic series Some special patterns of annuity changes whose payments are of the arithmetic progression of higher order or of the reverse rainbow are studied, and their beginning values and ending values are given.
并研究了付款额呈高阶等差数列及倒虹式年金等某些特殊的年金变化形式，给出了其期初值和期末值。 cnki |