The much-smaller deviation threshold is due to the decreased number of reads-per-time interval of the accelerometer compared with the number of reads-per-time interval in kernel space.

偏差阈值变得更小，因为加速度传感器的每次读取间隔与内核空间的每次读取间隔比较而言减少了。

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For a prediction to be successful, the probability of occurrence in a time interval and a space domain must be specified in advance, as must the lower magnitude.

一项预测称之为成功，发生的概率，包括时间的间隔、位置的范围，以及最低量级，均必须事先明确。

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The way to determine the suitable time and space interval is put forward by investigating the variation of gas pressure gradient on wall with several time and space intervals.

通过考察选取不同时间步长和空间步长时煤壁瓦斯压力梯度的变化，提出了选取合适的时间步长和空间步长的方法。

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