依据大量的调查资料，应用有序样本聚类方法，按林分类型、立地条件和林龄来确定次生林改造生长量划分标准；

Based on a large amount of investigating data, the authors use cluster analysis method with ordered samples to set dividing standards for the growth rate of secondary forests rechange.

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我们能够帮助您树立行业样本的标准，有序的执行避免出现任何的瑕疵，从而利用您的销售资源，创造更多价值。

We can help you establish the industry standard sample and orderly execution avoid any flaws, to take advantage of your sales resources and create more value.

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本文讨论了在有序抽样样本下的参数的极大似然估计的性质。

In this paper, we consider properties of the parameter's maximum likelihood estimations based on ranked set samples.

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