The results show that sensitive level has inverse relation to landscape importance value and information index;
结果表明：敏感水平与群落景观重要值和信息指数基本上成反比关系；
This paper proposes an information index mechanism called IIM to solve this problem, which makes the resource index information be distributed to multi-super nodes.
针对其存在的问题引入信息索引机制IIM，把资源的信息索引分布到多个超节点。
The canonical enumeration of chemical structures has been broadly used as a kind of information index for chemical bibliography since computer entered into use in the field of chemistry.
自从计算机在化学领域中应用以来，化学结构的正规编码已广泛用来作为一种化学文献的信息索引，它还在开发化学智能系统中发挥着重要作用。
Periodicals are very important documentary resources in the library of colleges, so the work of periodical index is an important part of information index service in the library of colleges.
期刊是高校图书馆重要的文献资源，期刊文献信息检索工作是高校图书馆信息检索服务的重要内容。
This article analyzed the problems ling in network information retrieval from three aspects: retrieval tools, information index, information language, coming up with the corresponding solutions.
本文从检索工具、信息标引和检索语言三个方面分析了网络信息检索中存在的问题，并提出了相应的对策。
This article analyzed the problems ling in network information retrieval from three aspects: retrieval tools, information index, information language, coming up with the corresponding solutions.
本文从检索工具、信息标引和检索语言三个方面分析了网络信息检索中存在的问题，并提出了相应的对策。
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