企业资产管理是刚从国外引进的管理理念，讨论了EAM资产层次结构模型的建立和设备资产的编码方式。

Enterprise asset management is new management thoughts introduced from foreign country. How to establish asset's hierarchy structure and equipment's code mode are discussed.

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最后指出该模型具有多级、不确定层次、柔性和面向对象特征的特点，能有效地解决CIMS中的信息分类编码问题。

Finally, we believe that it is an indefinite and flexible levels and orients the signature of object, it effectively solves the problem to classification and information in CIMS.

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我们修改基于特征的增量编码模型，根据稀疏编码原理，将其扩展成层次结构，并利用高斯金字塔解决尺度问题。

We expand it into two-layer structure based on sparse coding theory, and use Gaus-sian pyramid to solve scale problems.

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