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

• 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。
• 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。
• 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。
• 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。
• 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”。
• The accounting recording procedures are different under the periodic inventory system and the perpetual inventory system.
  定期盘存制和永续盘存制的会计入账程序是不同的。
• 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）。
• 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。