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

• 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。
• A mechanical model of two-degree-of-freedom system with clearance was established, whose periodic motion and disturbed motion were studied.
  建立了一类两自由度含间隙系统的力学模型，并研究了该系统的周期运动及运动的受扰运动。
• And discuss the properties of high order arithmetical infinite matrix and periodic infinite matrix.
  给出了数阵的加法、数乘和乘法定义，并给出高阶等差数阵和周期数阵的运算性质。
• Periodic checks are taken to ensure that high standards are maintained.
  定期检查以确保维持高水准。
• 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。
• 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。
• 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。
• 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。
• This paper discusses the exponential stability of periodic solution for impulsive neural networks.
  本文讨论了一类脉冲神经网络的周期解的指数稳定性。
• The RUP artifact Issues List is updated and maintained by project management on both a periodic and event-driven basis.
  项目的管理人员在定期的和事件驱动的基础上，更新和维护RUP中的工件问题列表（IssuesList）。