duplication n. 1.加倍,二重,重復(fù)。 2.重疊,雙折。 3.復(fù)制,打印;復(fù)制品。 4.【生物學(xué)】(由染色體迷亂造成的)部分遺傳物質(zhì)的復(fù)制,兩岐。 save time by avoiding duplication of effort 工作中避免重復(fù)以節(jié)約時間。
Combining characteristics of mobile database technologies with traditional duplication methods of distributed databases , b - adr solution realizes the bi - asynchronism data replication between mobile clients and servers with sql server transaction - logs - tables and data broadcasting technologies . there are two links in this solution . as for the up link , it replicates from mobile clients to servers by sql server transaction - logs - tables B - adr將傳統(tǒng)分布式系統(tǒng)的數(shù)據(jù)復(fù)制方法與移動數(shù)據(jù)庫系統(tǒng)的特點相結(jié)合,利用基于分布式關(guān)系數(shù)據(jù)庫的事務(wù)日志表和數(shù)據(jù)廣播技術(shù),來實現(xiàn)移動客戶端和服務(wù)器端后臺數(shù)據(jù)庫系統(tǒng)間的雙向異步復(fù)制。