connected

v. 连接
vbl. 连接

The plumber connected up all the pipes and turned on the tap.

管子工连接上所有管子，然后打开了水龙头。

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.

指实现后台处理。所谓后台处理是指非联机处理，或者说不是直接和计算机连接起来而进行联机操作。优先级高的程序先于特定的后台作业执行。