1.周期的,定期的;时常发生的,间歇的
2.定期发行的,期刊的
1.(日报以外的)定期刊物,杂志
1.periodic
1.a magazine on a particular subject that is published regularly
1.In the summer of 1822 Leigh Hunt came out to Italy to discuss a new periodical, proposed by Byron, in which Shelley was to take part.
1822年夏，利·亨特动身来意大利，讨论有关一份新的期刊的事宜，这是由拜伦倡议的，要雪莱参加创办。
2.The spatial distribution of monthly precipitation in a year performance for the obvious periodical change characteristics.
年内逐月降水量的空间分布格局表现为明显的周期性变化特征。
3.Great Expectations was written by Charles Dickens around the time of 1860-1861 and was initially written as a periodical for a newspaper.
《远大前程》是狄更斯在1860-1861年间写的，它首先被写为一家报纸的期刊。
4.Periodical fluctuation in the air influx of column occurs frequently at the adjusting stage during the startup of an air separation unit.
空分设备启动进入调整阶段时，常常会发生进塔空气量周期性波动的现象。
5.I t was accessible through a library's catalog and with the assistance of indexes, in the case of periodical and newspaper articles.
就杂志和报纸的文章而言，他们可以通过图书馆的目录和索引进行查找。
6.It is remarkable that this fluctuation, whether periodical or not, appears thus to require many years for its accomplishment.
惊人的是这种涨落，不管它有否周期，却需要好几年才能够完成。
7.Article 11 For two or more units to establish a periodical together, a major sponsor must be chosen for making the application.
第十一条两个以上主办单位合办期刊，须确定一个主要主办单位，并由主要主办单位提出申请。
8.In periodical reports we found out that she was always winning cases with the judges she took to lunch.
在定期报告中，我们发现她请法官吃饭果然能常常打赢官司。
9.Assures the efficiency and integrity of your center development by Close to Manufacturer within technical communion and periodical training.
与设备生产厂商密切的技术交流和定期的员工技术培训是你的设备的最佳保证。
10.An investigation from the experimental areas shows that this kind of course reform has achieved substantial and periodical developmet.
来自实验区的调查表明，课程改革取得了实质性的阶段性进展；