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

• 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。
• By using properties of scalar almost periodic function, properties of uniform almost periodic matrix function are discussed.
  利用纯量概周期函数性质讨论了一致概周期矩阵函数的一些性质。
• In chapter five, we calculate the conductance of two typical open periodic structures.
  在第五章中，我们计算了两种典型的开放周期型结构的电导。
• The cycles are periodic and optional.
  循环是阶段性和可选择的。
• The periodic buckling leaves the fibre in a waved conformation.
  周期性的弯折在纤维中造成波形构成。
• 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。
• By using the mean values of the periodic coefficients, the approximations of the unstable frequencies are obtained.
  用周期性系数的平均值法获得了不稳定频率的近似值。
• This figure demonstrates periodic task scheduling.
  本图演示了周期性任务调度。
• The periodic initial value problem of a class of generalized symmetric regularized long wave equations is considered.
  考虑了一类广义的对称正则长波方程的周期初值问题。
• 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。