例句與造句

1. The goal we must achieve , when designing distributed parallel file system , was analyzed also . the thesis present the logic structure of dpfs , the structure and the flush strategy of the module of directory cache and its role in the read - write operation , duplicate table ' s physical and logical structure , the management and synchronization algorithm of the duplicate table , and the model and the management algorithm of the module of intelligent duplicate management . also the effects that dpfs exerts to the system reliability and the read and write performance compared to ext2 were analyzed
   本文首先介紹了數(shù)據(jù)存儲(chǔ)的發(fā)展概況與新的需求，分布式文件系統(tǒng)對(duì)其發(fā)展的重要影響以及設(shè)計(jì)分布式文件系統(tǒng)需要考慮的各種問(wèn)題；然后分析了為滿足分布式并行服務(wù)器的功能需求， dpfs應(yīng)實(shí)現(xiàn)的目標(biāo)；接著介紹了dpfs設(shè)計(jì)的總體邏輯結(jié)構(gòu)，目錄緩存管理模塊的結(jié)構(gòu)設(shè)計(jì)、刷新策略以及該模塊在文件讀寫(xiě)重定向中的作用，副本表的邏輯、物理結(jié)構(gòu)、對(duì)其緩存的管理和同步算法的實(shí)現(xiàn)，以及副本智能管理的設(shè)計(jì)模型及其管理算法的設(shè)計(jì)與實(shí)現(xiàn)，還分析了dpfs對(duì)系統(tǒng)可靠性的影響以及在讀寫(xiě)文件時(shí)與ext2文件系統(tǒng)性能的比較。
2. It's difficult to find read-write operation in a sentence. 用read-write operation造句挺難的