Then, the dissertation brings up a top-down feature optimizing method. The dissertation brings up a granularity optimizing method which selects the biggest granularity firstly.
通过系统分析和对我国林业电子政务网站的实证分析提出网站八种信息分类模式，并提出自顶向下特征优化方法。
Then, the dissertation brings up a top-down feature optimizing method. The dissertation brings up a granularity optimizing method which selects the biggest granularity firstly.
通过系统分析和对我国林业电子政务网站的实证分析提出网站八种信息分类模式，并提出自顶向下特征优化方法。
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