Attempts to point out the role of attribute reduction and analyze an important conception concerned and its importance-attribute core.

文中指出属性约简的作用，及其涉及到的一个重要概念——属性核的概念和重要性。

If your core attribute does not have any value and it's mostly the features you want to sell, you're in for trouble.

如果你的核心属性没有任何价值并且你想卖的主要是外层特征，那你会有麻烦。

These models can be very detailed, showing full entity, relationship and attribute structures and can even have higher-level visualization of the core relationships between coarse grained concepts.

这些模型可能非常详细，显示全部的实体、关系和属性结构，甚至具有粗粒度概念之间的核心关系的更高级的可视化表示。