periodic
英 [ˌpɪəriˈɒdɪk]
美 [ˌpɪriˈɑːdɪk]
adj. 间发性的; 定期的; 周期的
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- Periodic checks are carried out on the equipment.
设备定期进行检查。
- Periodic checks are carried out on the equipment.
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.- Periodic checks are taken to ensure that high standards are maintained.
定期检查以确保维持高水准。 - ...periodic bouts of illness.
周期性发病
- Periodic checks are taken to ensure that high standards are maintained.
英英释义
adj
- recurring or reappearing from time to time
- periodic feelings of anxiety
- happening or recurring at regular intervals
- the periodic appearance of the seventeen-year locust
双语例句
- 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。 - 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 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。 - These arrangements are subject to periodic reviews.
这几项安排每隔一定时间须予复查。 - 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。 - 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。 - This paper studies the existence of periodic solutions for some non-autonomous second order systems.
研究一类非自治二阶系统周期解的存在性问题。 - 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 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。 - 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。