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。 - 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 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）。 - Atomic structure and the periodic table.
原子结构和元素周期表。 - In periodic systems, the time interval between two corresponding points on successive cycles.
周期系统中，在相继两循环中两个对应点之间的时间间隔。参阅frequency。 - 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。 - 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。 - 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 mathematicians turned to culling periodic solutions.
数学家们转而去挑选周期解。