最重要的是，一个单一的指数卡，可以提交下几个主题和关键词在同一时间内。

Best of all, a single index card can be filed under several subjects and keywords at the same time.

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针对当前本体搜索中存在的问题，提出了一种通过拆分概念来获取语义关键词进而通过计算权值来获得一组本体特征指数的方法。

The method of unfolding concepts of ontology to get a set of keywords with semantics and then computing the weight-value of the keywords to acquire the ontology index is proposed in this paper.

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百度指数会大致反映一个关键词的检索量，并且与该关键词相关的一些具有检索量的关键词也会出现在我们查询的指数下。

Baidu index will reflect a keyword search volume, and with the key words related to some amount of retrieval keywords will also appear in our search index.

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