“portal search engine”的概念、定义、翻译、参考文献-科学参考

单词	portal search engine
释义	portal search engine Encyclopedia 管理学门户式搜索引擎释 portal search engine门户式搜索引擎在门户网站中使用的，通常仅有搜索引擎的界面，并没有一般搜索引擎所具有的爬虫程序、数据库和检索系统，也没有目录式搜索引擎的分类目录，但是通过优化设计，可调用其他独立的搜索引擎数据的搜索引擎。
随便看	environmental externality environmental factor environmental factors in language acquisition environmental factors of fish migration environmental failure of welded structure environmental failure of welding structure environmental fair trade environmental federalism environmental filtering environmental financial mechanism environmental flow environmental fluid mechanics environmental focus environmental footprint environmental forecast environmental fund environmental genome project environmental genomics environmental geochemical grade of atmospheric dry and wet deposition environmental geochemical grade of irrigation water environmental geography environmental geological drilling environmental geological evaluation environmental geological investigation environmental geological map

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