periodical 六级GMAT考研雅思

non-periodical literature

非文献, 不属于期上发表的文章

Britain's best periodical art magazine.

英国最好的定期版的艺术杂志。

she took periodical gulps of her tea.

她时不时地猛喝一大口茶。

periodicals have become more and more specialized.

期变得愈来愈专业化了。

I'll send you all the periodicals available.

我将把我能得到的期给你寄去。

Government documents, periodicals, microfilms or fiche, audiovisual, and maps.

政府文件,期,微缩胶卷,视听资料,地图等

a．Select any of these of periodicals: Time magazine, News week, Reader’s Digestor.

（任选一种这种期：时代杂志、新闻周、读者文摘、新纽约人杂志。）

Military test equipment is importance part of air-weapon system,it can finish periodical maintenance and prebattle training,it is also key factor in exerting ability of air-weapon.

军用检测设备是机武器统的重要组成部分，用以完成机武器定期维护和战备训练，对确保机武器作战效能的有效发挥起着关键作用。