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。 - 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。 - 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 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。 - 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。 - And discuss the properties of high order arithmetical infinite matrix and periodic infinite matrix.
给出了数阵的加法、数乘和乘法定义，并给出高阶等差数阵和周期数阵的运算性质。 - 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）。 - 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。 - Atomic structure and the periodic table.
原子结构和元素周期表。 - 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。