circulation period meaning in English

流通期间
循环期, 轮伐期

Autumnal circulation period
秋季循环期
The fourth chapter " reseach on fractai structure of stock price " anaiyzed the fractai structure of stock price , deduced the investment function , caiculated the hurst exponent , 3 correlation dimension , and max lyaponov exponent , analyzed the self - similarity , long range dependence , circulation period of stock price and sensitivity of stock price to the initial value , suggested took the exponent characterize fractal instead of variance as instrument to measure risk
第四章分析并检验了股票市场的分形混沌特征，推导了投资函数，计算了表征股票市场分形特征的hurst指数，关联维和最大lyapunov指数，分析了股票价格的自相似性、长期记忆和循环周期，分析了股票价格的波动对初始条件的敏感性，提出中国股票市场具有混沌分形的特性，用传统的方差法度量股票风险是无效的，必须使用混沌分析能够理论来刻画股票收益的风险，建立收益模型。