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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

    • 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 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。
    • These arrangements are subject to periodic reviews.
      这几项安排每隔一定时间须予复查。
    • 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。
    • Atomic structure and the periodic table.
      原子结构和元素周期表。
    • 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。
    • 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。
    • 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。
    • 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。
    • 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。