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
- These arrangements are subject to periodic reviews.
这几项安排每隔一定时间须予复查。 - By using properties of scalar almost periodic function, properties of uniform almost periodic matrix function are discussed.
利用纯量概周期函数性质讨论了一致概周期矩阵函数的一些性质。 - 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。 - 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。 - 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”。 - 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。 - 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 mathematicians turned to culling periodic solutions.
数学家们转而去挑选周期解。 - Atomic structure and the periodic table.
原子结构和元素周期表。 - 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。