To occur in or pass through a cycle.
周期性的发生或者运动.
Having or marked by repeated cycles.
周期的，周期性的循环往复的或以此为特征的
A wave that repeats, like the one above, is called a periodic wave.
如上图所示的周期性的波，称之为周期波。
Probed into cycle function and cycle properties of the sum,the difference,the product and the quotient of it;
对周期函数及其和、差、积、商函数周期性的探讨
I be bear during one of the periodical wandering of my family
我出生在一个我家周期性的流浪时期
I am bear during one of the periodical wandering of my family.
我出生在一个我家周期性的流浪时期。
A periodic reduction in the received strength of a radio transmission.
周期性的衰减在无线电的传送过程中，接收能力的周期性减弱
A particular stage in a periodic process or phenomenon.
相，周相周期性的过程或现象中的特殊阶段
Also Talk about the Existence of Minimal Positive Period in Periodic Function;
也谈周期函数的最小正周期的存在性
cycling solenoid valve
周期性工作的电磁阀
periodicity of a pseudorandom sequence
伪随机序列的周期性
the cyclical nature of economic activity
经济活动的周期性质.
The Government Cycle and the Particularity of the Periodic Adjustment of the Chinese Government;
政府周期及中国政府周期性调整的特殊性
Periodic Solution of Linear Autonomous Neutral Differential Equations with Delays;
常系数线性中立型方程的一般周期的周期解
On the 2-periodic(0,δ~m)Trigonometric Interpolation Problem of Antiperiodic Function
反周期函数的2-周期(0,δ~m)三角插值的收敛性
The Existence of Positive Periodic Solutions for a Kind of Periodic Reaction-diffusion Equations
一类周期反应扩散方程正周期解的存在性
On the Existence of the Periodic Solution for the Nonlinear System with Multiple Delay
一类多滞量周期扰动非线性系统的周期解
Business Cycles in the East Asia：Same Periods or Different Periods;
论东亚地区经济周期的同期性与非同期性