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

• 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。
• Periodic checks are taken to ensure that high standards are maintained.
  定期检查以确保维持高水准。
• 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”。
• 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。
• 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。
• The mathematicians turned to culling periodic solutions.
  数学家们转而去挑选周期解。
• The separability of asymptotically strongly periodic function space and asymptotically periodic sequence space are also discussed.
  研究了渐近强周期函数空间、渐近周期序列空间的可分性质。
• Atomic structure and the periodic table.
  原子结构和元素周期表。
• These arrangements are subject to periodic reviews.
  这几项安排每隔一定时间须予复查。