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 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。
• 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 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。
• 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。
• Analysis of a periodic function into a sum of simple sinusoidal components.
  周期函数解成简单正弦曲线之和的分析。
• This figure demonstrates periodic task scheduling.
  本图演示了周期性任务调度。
• 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。
• 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）。
• These arrangements are subject to periodic reviews.
  这几项安排每隔一定时间须予复查。
• And quasi-periodic and chaotic motion can bifurcate from periodic motion when parameters of the system are changed.
  而在系统参数变化时，又由周期分叉形成了准周期和混沌。