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
- 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 mathematicians turned to culling periodic solutions.
数学家们转而去挑选周期解。 - 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。 - 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。 - 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。 - The cycles are periodic and optional.
循环是阶段性和可选择的。 - 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 mechanical model of two-degree-of-freedom system with clearance was established, whose periodic motion and disturbed motion were studied.
建立了一类两自由度含间隙系统的力学模型，并研究了该系统的周期运动及运动的受扰运动。 - 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。 - 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。