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

• Atomic structure and the periodic table.
  原子结构和元素周期表。
• 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。
• 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。
• 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。
• 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。
• 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 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。
• 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 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。