Some properties of almost periodic points, recurrent points and chaotic sets in symbolic dynamical systems are given.
本文讨论了符号动力系统的几乎周期点、回归点及混沌集。
The velocity pulsing process observation data of all the measuring points indicate that the velocity pulsing process of all the measuring points is almost similar and have different quasi-periodic.
各测点流速脉动过程实测资料表明，各测点流速的脉动过程线基本类似，并具有大小不同的准周期。
The velocity pulsing process observation data of all the measuring points indicate that the velocity pulsing process of all the measuring points is almost similar and have different quasi-periodic.
各测点流速脉动过程实测资料表明，各测点流速的脉动过程线基本类似，并具有大小不同的准周期。
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