由于选择性罪名中又包含了许多分解罪名，所以具有单一性罪名和概括性罪名所不同的基本特征。

As selective accusations contain many separation accusations, they have basic features which are different from those of single accusations and generic accusations.

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方法：检索、概括近几年国内外文献，重点介绍糖蛋白、脂蛋白、胆酸（盐）等载体和手段向肝组织选择性传输活性物质的最新进展。

METHODS:By indexing and summarizing literatures of the last few years all over the world, tight attention was paid to the newest progress in glycoprotein, lipoprotein, bile acid(salt), etc.

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