[zhōu qī]
period; cycle; circle; revolution; round; complete alternation
industrial cycle
产业周期
economic cycle
经济周期
business cycle; trade cycle
商业周期
production cycle
生产周期
cycle of reproduction
再生产周期
shorten the period of convalescence
缩短恢复周期
natural period
固有周期
extend a payment period
延长支付周期
the life cycle of insects
昆虫的生活周期
action cycle
工作周期