客户分类比较理想的依据是客户对企业的利润贡献度。
The better foundation of customers' classification is the profit contribution degree of the customer to the business enterprise.
同时对存储系统的错误隐藏算法也进行了分类比较和评述。
The error concealment algorithms for storage system are also analyzed and compared.
对工业及民用建筑中的连体建筑结构进行了新的分类比较，以区分它们的异同；
New division and comparing of connected structures in the civil and industrial are carried through and distinguish between them.
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