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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 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 figure demonstrates periodic task scheduling.
      本图演示了周期性任务调度。
    • 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 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 time periodic solution problem of damped generalized coupled nonlinear wave equations with periodic boundary condition was studied.
      本文研究了半线性波动方程在非线性项和初值满足一定条件下解的存在性。
    • 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。
    • 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。
    • 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。
    • 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。
    • This system is intended to supplement the on-crank system by increasing the time intervals between periodic on-crank cleaning.
      此系统旨在通过增加定期曲柄上清洁之间的时间间隔对曲柄面系统进行补充。