News has also been unable to have an impact on the stock, price volatility is not the random walk model.
消息也已经无法对股票产生影响，股价的波动已经不是随机漫步模式。
A signal whose frequency, amplitude and phase are time-varying based on the random walk model is presented to describe the sensor output signal of Coriolis mass flowmeter.
提出用频率、幅值和相位均按照随机游动模型变化的信号来描述科氏流量传感器的输出信号。
Finally, the finite difference scheme was interpreted by a discrete random walk model under a certain condition.
最后，对上述的两层有限差分格式在一定条件下进行了离散随机游走的解释。
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