期刊是
periodicals───n.期刊（periodical的名词复数形式）
periodic law───[数]周期律；门捷列夫氏定律
periodic laws───[数]周期律；门捷列夫氏定律
periodic rate───周期性利率
periodical───adj.[数]周期的；定期的；n.期刊；杂志
periodical cicadae───周期蝉
periodicalist───周期表
periodicalists───周期表
periodically───adv.定期地；周期性地；偶尔；间歇
Outdatedperiodicals arean important information resources which are the matter basis of information service provided by library.───过刊是一种重要的信息资源，是图书馆开展情报服务的物质基础。
Though general magazines take the limelight, by far the largest number ofperiodicals areof the type that cater to specialist interests.───虽然一般性杂志最引人注目，但数量最大的期刊则是满足专业需要的刊物。
Several academicperiodicals arepublished by the university and sent to domestic as well as overseas subscribers.───几个学术期刊所发表的大学和发送到国内以及海外的订户。
The publication and issue of Chineseperiodicals areunder developing and changing, which influences the work of periodicals collection.───中文期刊的出版发行处在发展变化之中，这些变化对期刊采访工作产生了很大的影响。
Pornographic books andperiodicals arespiritual refuse and must be removed.───黄色书刊是必须清除的精神“垃圾”。
The contributors to Creation Agency Periodicals are an integrated group who has produced an ictus of mod- em Chinese literature.───前期创造社期刊作者们以群体的形式发出了现代中国文学的最强音。
Some 1 500periodicals arecurrently taken; these reflect the wide range of scientific activity carried on in the Garden.
Pornographic books andperiodicals arespiritual refuse and must be removed.
Both newspapers andperiodicals areheavily dependent on advertising for financial support.
So the contributions of foreign missionary to the Chinese opening of newspapers are ineffaceable from which the Chinese modemperiodicals areoriginated and developed.
The common methods of determining the coreperiodicals aremethods of citation statistics, idexstatistics, abstract statistics, papers statistics, cumulative percentage and comprehensive evaluation.
Juvenileperiodicals areprovided with special media function, including cognition function, furtherance function, amusement function, optimization function and function of diffusing information.
The contributors to Creation Agency Periodicals are an integrated group who has produced an ictus of mod- em Chinese literature.