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

• 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。
• 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。
• The sum of a series of trigonometric expressions; used in the analysis of periodic functions.
  三角表达式级数之和，用在周期函数分析上。
• 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 separability of asymptotically strongly periodic function space and asymptotically periodic sequence space are also discussed.
  研究了渐近强周期函数空间、渐近周期序列空间的可分性质。
• 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。
• 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。
• 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。
• A circuit that provides periodic signals to control and synchronize other circuits.
  一种提供周期性信号的电路，用于控制和同步其它电路。
• The mathematicians turned to culling periodic solutions.
  数学家们转而去挑选周期解。