| 释义 |
arithmetic progressionBrE /ærɪθˌmetɪk prəˈɡreʃn/NAmE /ærɪθˌmetɪk prəˈɡreʃn/ (also arithˌmetic ˈseries) nouna series of numbers that decrease or increase by the same amount each time, for example 2, 4, 6, 8 算术数列，等差数列（如 2、4、6、8） ➡ compare geometric progression |