periodic

英 [ˌpɪəriˈɒdɪk]

美 [ˌpɪriˈɑːdɪk]

adj.  间发性的; 定期的; 周期的

CET6TOEFLTEM8医学

Collins.1 / BNC.7973 / COCA.7702

牛津词典

adj.

• 间发性的；定期的；周期的
  happening fairly often and regularly
  1. Periodic checks are carried out on the equipment.
     设备定期进行检查。

柯林斯词典

• ADJ 间发性的；定期的；周期的
  Periodicevents or situations happen occasionally, at fairly regular intervals.
  1. Periodic checks are taken to ensure that high standards are maintained.
     定期检查以确保维持高水准。
  2. ...periodic bouts of illness.
     周期性发病

英英释义

adj

• recurring or reappearing from time to time
  1. periodic feelings of anxiety
  Synonym:occasional
• happening or recurring at regular intervals
  1. the periodic appearance of the seventeen-year locust
  Synonym:periodical

双语例句

• This paper studies the existence of periodic solutions for some non-autonomous second order systems.
  研究一类非自治二阶系统周期解的存在性问题。
• And now we can rationalize what is going on in the Periodic Table.
  现在我们能合理解释，元素周期表上的东西了。
• The accounting recording procedures are different under the periodic inventory system and the perpetual inventory system.
  定期盘存制和永续盘存制的会计入账程序是不同的。
• We study the property of complex periodic function, and obtain some correlation results.
  对复周期函数的性质进行了一些研究，得到了若干有关的结果。
• This figure demonstrates periodic task scheduling.
  本图演示了周期性任务调度。
• A energy iteration method for periodic solutions to second order strongly nonlinear non-autonomous systems is suggested.
  给出了确定一般二阶强非线性非自治系统周期解的能量迭代方法。
• In periodic systems, the time interval between two corresponding points on successive cycles.
  周期系统中，在相继两循环中两个对应点之间的时间间隔。参阅frequency。
• Atomic structure and the periodic table.
  原子结构和元素周期表。
• Periodic checks are taken to ensure that high standards are maintained.
  定期检查以确保维持高水准。
• The periodicity of positron annihilation parameter is related to periodic change of lattic distortion and crystal defect.
  正电子湮没参数的周期性，与点阵畸变和晶体缺陷的周期性变化有关。