例句與造句

1. The research of case base maintenance techniques in this thesis is carried out from two research perspectives : content maintenance and performance maintenance . the underlying technique is data mining in case bases and case access logs
   在對案例特征和案例訪問記錄進行數(shù)據(jù)挖掘的基礎上，本文從內(nèi)容維護和性能維護兩個方面研究案例庫的維護方法。
2. The purpose of performance maintenance is to improve the access velocity . in this part , the following techniques are specified : caching frequently accessed cases , partitioning the case base to limit the accessible case number for every cbr circle , and pre - fetching cases that are usually accessed together in the cbr circles
   在性能維護部分，以提高對案例庫的訪問速度為目標，本文利用數(shù)據(jù)挖掘改進了現(xiàn)在常用的案例庫分層算法，并提出了對頻繁使用的案例進行緩存、以及對經(jīng)常同時訪問的案例進行預取兩種方法。
3. It's difficult to find performance maintenance in a sentence. 用performance maintenance造句挺難的