A ranking system determines the information richness of each document within a search result.

该排列系统决定在搜索结果中的每一个文档的信息丰富度。

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Internal driving force will be summed up as improvement of people 'ability on dealing with complicated information, richness of knowledge, experience and imagination, and so on.

将内部动力概括为人们处理各种复杂信息的能力的提高，知识、经验和想象力的丰富等。

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Exploits against information systems are particularly attractive to organized crime and state actors because of the richness of the target environment, the ease of exploitation, low cost of attack development, reasonably strong anonymity and difficulties in attribution, and the practical shortfalls of international legal frameworks and law enforcement regimes.

FORBES: Cyberwar Or Not Cyberwar? And Why That Is The Question