Applying BBGKY equation obtained from Liouville's equation to a system with many components, the irreversible chemical reaction-diffusion equation can be deduced.

把由刘维方程推得的BBGKY方程用于多元系，可导出不可逆化学反应扩散方程。

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Of the four equations the basic equation is the continuum equation of phase space for the guiding center which has its root in the Liouville's theorem.

这四个方程中，引导中心相空间连续方程是基本方程，刘维定理则是核心。

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