“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	risk assessment of compounds without threshold level risk assessment of compounds with threshold level risk assessment of cross-species infection risk assessment of enhancement and releasing in fishery risk assessment of environmental health risk assessment of geological hazards risk assessment of potential losses caused by invasive species risk assessment of social stability for urban rail transit risk assessment of soil pollution risk assessment of space radiation Risk Assessment Procedures risk assessment services risk assets risk attitude risk averse risk aversion risk avoidance of resource development risk based inspection risk based inspection for mechanical system risk based supervision/managenment risk behavior risk capital risk characterization risk classification risk communication

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