英 [ˌpɪəriˈɒdɪk] 美 [ˌpɪriˈɑːdɪk]
adj. 阶段性的，定期的；（化学）元素周期表的；（修辞）完整句的
periodic /ˌpɪərɪˈɒdɪk/ CET6 TEM8
形容词 Periodic events or situations happen occasionally, at fairly regular intervals. 周期性的
Periodic checks are taken to ensure that high standards are maintained.
进行周期性检查以确保高标准得以维持。
happening or recurring at regular intervals
同义词： periodical
recurring at regular intervals
recurring or reappearing from time to time
periodic feelings of anxiety
周期-引用次数：2894
The main vegetation type had similar changes, but Alpine Grassland lacked in the 6-year quasi-periodic component.
高原三种主要植被类型的NDVI积分值,也都具有相似的变化特征,但高山草原缺少6年左右的准周期波动。
周期的-引用次数：32
参考来源非线性发展方程中的几个问题
周期性的
周期的-引用次数：4
参考来源再生切削过程中的混沌振动
用尾重句的；用圆周句的
周期性的
周期性的
周期
周期性的
周期性的;高碘的
n : piin ) ? 0?为状态 i 的周期，如 d ? 1 就称 i 为周期的（ periodic ） ，如果 d ? 1 就称 i 为非周期的.
...频谱分析在一般情况下 好用，但 还是有些严格 很 它 的条件：系统必须是线性的（Linear），而且资料必须是周期性的 （Periodic）或是平稳的（Stationary），否则所求得的频谱就没有什么 物理意义。
... peril n.危机;危险的事物 periodic n.周期的;一定时期的 periodical n.期刊,杂志 ...
Exercise ：选择你每天工作、娱乐和锻炼的强度：Intense(剧烈的)，Moderate(适度的)，Periodic(定期的)，Light(轻微的)和Sedentary(久坐的)，坐得越久锻炼越少Real Age越大。
period 某一时代的
periodical [数] 周期的；定期的
periodically 定期地；周期性地；偶尔；间歇
Periodic checks are carried out on the equipment.
设备定期进行检查。
Periodic checks are taken to ensure that high standards are maintained.
进行周期性检查以确保高标准得以维持。
So is my version of the periodic table wrong?
那么我的元素周期表是错的吗？
People who remember the periodic table of the elements from chemistry class might recognize them.
VOA : special.2010.10.08
And en route we discovered that we can divide the Periodic Table into metals, 75% which is about 75% of the Periodic Table.
我们发现,我们能够将元素周期表划出金属，大概占。
固态化学导论课程节选 : 麻省理工公开课
If you click on Courseware you will get to this menu, the first of which preferences is Periodic Table.
如果你点击课件，就会来到这个菜单，第一个选择就是周期表。
固态化学导论课程节选 : 麻省理工公开课
The PKK,which has bases in northern Iraq, conducts frequent raids inside Turkey, provoking periodic Turkish cross-border reprisals.
VOA : standard.2009.03.23
Richard said France Telecom would initiate periodic meetings with the company's health staff and set up new work spaces where employees could gather during their breaks.
VOA : standard.2010.04.11
Trainees receive periodic stipends, and if they complete the training, they can apply for a job.
CNN: Troubled youth kicking it 'old skool' at San Fran bistro
Trevor logs periodic half-days in the shop during the winters but isn't committed to taking over.
They have rates that reset at periodic auctions, usually every seven to 28 days.