名詞 backgrounding:

1. the execution of low priority programs while higher priority programs are not using the processing system
   同義詞：background processing

動詞 background:

1. understate the importance or quality of
   同義詞：background, play down, downplay

1. An important processing procedure in which top-priority processing most often results from real-time entries which usually have precedence, through the use of interrupts into lower-priority or background processing.
   一種重要的處理過程，其中最高優(yōu)先權(quán)處理任務常常由具有優(yōu)先度的實時任務形成，經(jīng)過使用中斷而進入較低優(yōu)先權(quán)任務或后臺處理任務。
2. Performing background processing which is not on-line or directly connected to the computer for on-line operation. High priority programs take precedence over specific background jobs.
   指實現(xiàn)后臺處理。所謂后臺處理是指非聯(lián)機處理，或者說不是直接和計算機連接起來而進行聯(lián)機操作。優(yōu)先級高的程序先于特定的后臺作業(yè)執(zhí)行。