It is found that since about 1997, there is strong stochastic behaviour of the one lag price behaviour.
实证结果表明：大约自1997年以来，一期价格行为表现出很强的随机性。
In this paper, some discussions and calculations about stochastic behaviour of a kind of forced anharmonic oscillator will be given.
本文就一类强迫非简谐振子出现随机行为问题作一些讨论并给出数值计算的结果。
Many nonlinear equations, describing either conservative or dissipative systems, show stochastic behaviour in suitable range of parameter values.
许多描述保守或耗散系统的非线性方程，在一定的参数范围内表现出内在的随机性。
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