(3)、扩展检索(expanded search):深层次的检索,具体类型有两种:
基于68个网页-相关网页
Expanded search settings 延伸搜索设置
Expanded External workpiece number search 扩展外部工件号检索
·2,447,543篇论文数据，部分数据来源于NoteExpress
advocates an expanded search for extra-terrestrial intelligence.
VOA: standard.2010.04.16
The court ruled the town should have expanded its search outside its borders.
WSJ: High court to weigh in on legislative prayers
In the 911 call, they said they were about a mile from Jack's car, which was parked at a trailhead, but rescuers expanded the search when they weren't found nearby.
NPR: 1 Calif. Hiker Still Lost, 1 Found And Recovering
Competition also stepped up as search giant Google expanded its market share putting additional pressure on Yahoo and others.
FORBES: Searching For Upside And Finding It In Yahoo
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