它控制著(zhù)網(wǎng)上用戶(hù)如何共享數據和數據庫，以及用戶(hù)如何存取中央硬盤(pán)上的數據和應用軟件的主拷備。
It controls how data and database are shared among users on the network and how users access master copies of data and application software on the centralized hard disk.
用以修飾或說(shuō)明為某一具體應用問(wèn)題而專(zhuān)門(mén)設計和編寫(xiě)的軟件，有別于，例如，應用軟件包中的程序或者只讀存儲器（ROM）中的程序。
Pertaining to software that has been particularly designed and written for an application(as contrasted, for example, to a program from an application package or provided on ROM).
用來(lái)修飾說(shuō)明某種應用軟件，其中每一輸入都會(huì )從系統或程序那里得到響應。如查詢(xún)系統、飛機訂票系統。一個(gè)交互系統也可以是會(huì )話(huà)式的，即用戶(hù)和系統之間的連續對話(huà)。
Pertaining to an application in which each entry calls forth a response from a system or program, as in an inquiry system or an airline reservation system. An interactive system may also be conversational, implying a continuous dialog between the user and the system.
