periodical

Britain's best periodical art magazine.

she took periodical gulps of her tea.

periodicals have become more and more specialized.

I'll send you all the periodicals available.

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

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

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.