... 时期 period 和平时期 peacetime: 社会主义建设时期 the period of socialist construction; 战争时期 watrime; 进入了一个新时期 enter a new stage; 非常时期 an extraordinary period; 在这一时期里发生了许多重大的事件. there were many important events in this period 不稳时间序列 unstable time series 不平稳 jerkness ...
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To characterize the deterministic dynamics in heart rhythm, the unstable periodic orbit analysis were the RR interval time series of healthy young men.
为刻划心脏节律存在的确定性动力学特征，运用不稳定周期轨道分析方法对健康青年人的RR间期时间序列数据进行分析。
Objective To explore the application of seasonal time series ARIMA model in prediction of malaria incidence in an unstable malaria area.
目的 探讨应用季节性时间序列ARIMA模型预测非稳定性疟区疟疾发病率的可行性。
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