欧洲专利数据库中,下列检索结果最少的检索式是 :
A: title:“bisphenol A” and prepare
B: title or abstract:"bisphenol A" and prepar*
C: title or abstract:“bisphenol A” and prepare
D: title:“bisphenol A” and prepar*
A: title:“bisphenol A” and prepare
B: title or abstract:"bisphenol A" and prepar*
C: title or abstract:“bisphenol A” and prepare
D: title:“bisphenol A” and prepar*
举一反三
- 在外文数据库中使用“oil”和“economic”进行检索,以下哪种检索式检索结果最多?() A: Title=oil B: Abstract=oil C: Title=oil and economic D: Title=oil and Abstract=economic
- 在外文数据库中使用“computer”和“simulation”进行检索,以下哪种检索式检索结果最多 A: Title = compute B: Abstract = compute C: Title = computer and simulation D: Title = computer and Abstract = simulation
- 在外文数据库中使用“computer”和“simulation”进行检索,以下哪种检索式检索结果最多? A: Title=computer B: Abstract=computer C: Title=computerandsimulation D: Title=computerandAbstract=simulation
- 欧洲专利数据库中,下列检索结果最少的检索式是 A: title:“bisphenolA”andprepare B: titleorabstract:"bisphenolA"andprepar* C: titleorabstract:“bisphenolA”andprepare D: title:“bisphenolA”andprepar*
- 在Elsevier ScienceDirect数据库的检索中,“search in title”比“search in abstract”的检索结果少