并证明了多维指数分布类在弱收敛下的。

We also proved that the class of the multivariate exponential distribution is closed under weak convergence.

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通过建立的多维指数分布模型，进一步体现了这种刻画相依性方式的优越性。

Throught the multivariate exponential distribution model built, it even reflects the advantage of depiction dependence.

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