The analyse of the theme concept and the expressing method of retrieval language.
主题概念分析以及检索语言的表达方法。
The expressing method of the invention has high efficiency, low cost and wide application prospect.
本发明的表达方法效率高、成本低，应用前景广阔。
The expressing method of the invention has high efficiency, low cost and wide application prospect.
本发明的表达方法效率高、成本低，应用前景广阔。
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