【Key words】 resources search engine； spider； indexer； tag technology；
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basic educational resources search engine 基础教育资源搜索引擎
·2,447,543篇论文数据，部分数据来源于NoteExpress
As a smaller firm, Layered can customize and scale the resources it rents to every customer, Pozadzides says, whether it's a start-up search engine or a software-as-service sales and inventory company.
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