A typical low-level wind shear of thunderstorm activates long periodic oscillation of an aircraft, causing tracking deviation of the aircraft.

典型尺度的雷暴低空风切变以长周期振动频率激励飞机，使其偏离预计下滑航迹。

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The empirical results show that Shanghai and Shenzhen stock markets are random walk process with deviation existing state sustainability and non-periodic cycles.

实证结果表明沪深股市均是有偏的随机游动过程，存在着状态的持续性和非周期性循环。

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Standard deviation also adjusts for periodic changes in scheduling balance over the years, such as the breakdown of each league into two (and then three) divisions, and interleague play.

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