郵件: mail; post; postal matter用戶: user; subscriber; consumer; ...程序: procedure郵件用戶程式: mail client用戶程序: user program; user's program用戶程序表: user program list用戶程序庫: user library; user's library用戶程序區(qū): user program area郵件用戶代理: mail-user agent匯編用戶程序, 裝配用戶程序: assembling user routine匯編用戶程序: assembling user routine命名用戶程序: named user program通信用戶程序: communication user program用戶程序錯誤: user program error用戶程序性能: performance of user program遠程用戶程序: remote user program裝配用戶程序: assembling user routine通信用戶用戶程序: communications user program電子郵件客戶程序: e-mail client application安裝的用戶程序: installed user program用戶程序的性能: performance of user program用戶程序驗證設(shè)施: user program verification facility假脫機系統(tǒng)用戶程序: spooler user routine假脫機系統(tǒng)用戶程序名: spooler user routine name自編碼排序, 用戶程序排序: own coding sort