This is just the origin of bottleneck problems of current search engine.
这正是现今搜索引擎瓶颈的源头。
Just this few people have brought many troubles for current search engine.
正是这极少数人，给现在的搜索引擎带来了许多的麻烦。
The limitation of current web search engine is presented first.
本文首先分析了传统网络检索技术的局限性。
The limitation of current web search engine is presented first.
本文首先分析了传统网络检索技术的局限性。
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