arithmetical/arithmetic progression
音標發(fā)音
- 英式音標 [?r.?θ?met.?.k?l pr??ɡre?.?n]
- 美式音標 [er.?θ?met?.?.k?l pr??ɡre?.?n]
- 英式發(fā)音
- 美式發(fā)音
基本解釋
- 算術(shù)級數(shù)，等差級數(shù)。
英英字典
- a sequence (= an ordered series of numbers) in which the numbers get bigger or smaller by the same amount, such as 3, 6, 9..., or 9, 6, 3