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

• 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。
• The cycles are periodic and optional.
  循环是阶段性和可选择的。
• 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”。
• 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。
• Atomic structure and the periodic table.
  原子结构和元素周期表。
• 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 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。
• 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。
• 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）。
• 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。