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(dòng)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(guò)程，其中最高優(yōu)先權(quán)處理任務(wù)常常由具有優(yōu)先度的實(shí)時(shí)任務(wù)形成，經(jīng)過(guò)使用中斷而進(jìn)入較低優(yōu)先權(quán)任務(wù)或后臺(tái)處理任務(wù)。
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(shí)現(xiàn)后臺(tái)處理。所謂后臺(tái)處理是指非聯(lián)機(jī)處理，或者說(shuō)不是直接和計(jì)算機(jī)連接起來(lái)而進(jìn)行聯(lián)機(jī)操作。優(yōu)先級(jí)高的程序先于特定的后臺(tái)作業(yè)執(zhí)行。