The statistical average values of some relevant operators satisfy a set of differential equations of the first order.

有关算符的统计平均值随时间的演化满足一个封闭的一阶线性微分方程组。

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And the evolution of the statistical average values of the set of operators with time satisfy a group of one-order linearly differential equations.

这组算子的统计平均值随时间的演化满足一个封闭的一阶线性微分方程组。

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