例句與造句

1. and then the author discusses the characteristics of american and chinese on line databases and their developing situations, and introduces such large datasets as dialog, stn, ebscohost and oclc firstsearch in this part, the author also takes medline as an example
   論文分析了網(wǎng)絡數(shù)據(jù)庫的特點及美國、中國在線數(shù)據(jù)庫發(fā)展狀況，并對在世界上影響較大的一些數(shù)據(jù)庫如dialog、stn、ebscohost、oclcfirstsearch列表分析，對著名的醫(yī)學數(shù)據(jù)庫medline實例介紹。
2. It's difficult to find on line database in a sentence. 用on line database造句挺難的