first kind of operator equation 第一类算子方程
The first one is the artificial method in adjusting to the time step, which can be realized by controling the variation of operator energy in equation artificially.
在人工调节时间步长法中，通过人为控制方程中算子能量变化的办法调整时间步长；
With the aid of the projective operator technique, an integro-differential equation for the porbability density and an approximate equation for the mean first-passage time (MFPT) have been derived.
推导了平均第一通过时间（MFPT）方程，并在弱噪声和短相关近似下，得出方程的解； 通过数值分析阐明了平均第一通过时间和噪声关联时间之间的联系。
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