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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

    • 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。
    • Atomic structure and the periodic table.
      原子结构和元素周期表。
    • 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 mathematicians turned to culling periodic solutions.
      数学家们转而去挑选周期解。
    • 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。
    • This figure demonstrates periodic task scheduling.
      本图演示了周期性任务调度。
    • 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。
    • 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。
    • 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。
    • There may be periodic police 'sweeps' of crime in the area.
      警方可能对该地区的犯罪活动进行定时的“扫荡”。