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。
2
The empirical results show that Shanghai and Shenzhen stock markets are random walk process with deviation existing state sustainability and non-periodic cycles.