英语词汇“arithmetical progression”的读音、翻译、释义、用法及例句-范文网

词汇	arithmetical progression
释义	arithmetical progression算术级数，等差级数。arithmetical: adj. 算术(上)的。 adv. -ly 用算术，算 ...progression: n. 1.前进，进行。 2.〔罕用语〕进步，改进，发展； ...
随便看	watch file watch fire watch glass watch guard watch gun watch meeting watch night watch oil watch pocket watch spring watch tower watch-and-wait policy watchband watchcase watchdog watcher watchful watchhouse watchlist watchmaker watchman watchout watchword watchwork water

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