例句與造句

1. secondly, using web data charactors, the paper is to build relational abstractions of large and fairly well-structured web sites and to use an optimizer to translate declarative queries on these relational abstractions to efficient navigation plans . we use a simple subset of the araneus data model ( adm ) to describe web sites . this adm scheme is augmented with link constraints that capture the redundancy present in many web sites . this paper also use inclusion constraints that state that all the pages that can be accessed using a certain path can also be accessed using another path
   本論文使用adm(thearaneusdatamodel)數(shù)據(jù)模型的一個子集來描述web網站。這種基于叭花b視圖高效查詢系統(tǒng)的研究摘要adm數(shù)據(jù)模型是依靠增加鏈接約束來獲取網站上的冗余。論文使用包含約束(inclusionconstraini)，它規(guī)定所有能被一個確定的路徑訪問到的頁面，同樣也可以使用另一條路徑訪問到頁面。
2. It's difficult to find linking constraint in a sentence. 用linking constraint造句挺難的