n.

an interval during which a recurring sequence of events occurs

"the never-ending cycle of the seasons"

同義詞：rhythmround

a series of poems or songs on the same theme

"Schubert's song cycles"

a periodically repeated sequence of events

"a cycle of reprisal and retaliation"

the unit of frequency; one hertz has a periodic interval of one second

同義詞：hertzHzcycle per secondcycles/secondcps

a single complete execution of a periodically repeated phenomenon

"a year constitutes a cycle of the seasons"

同義詞：oscillation

a wheeled vehicle that has two wheels and is moved by foot pedals

同義詞：bicyclebikewheel

Cancer Cell Cycles
Cancer cell cycles
Animal cell cycles and their control.
Global hydrological cycles and world water resources.
The Pezcoller Lecture: Cancer Cell Cycles Revisited
Studying Public Policy: Policy Cycles and Policy Subsystems
Shocks and Frictions in US Business Cycles: A Bayesian DSGE Approach
Shocks and Frictions in the US Business Cycles: A Bayesian Approach
Stem cells: attributes, cycles, spirals, pitfalls and uncertainties. Lessons for and from the crypt
Phase III study comparing three cycles of infusional carmustine and cisplatin followed by radiation therapy with radiation therapy a...