My kids were doing what Copernicus did when he placed the sun at the center of the universe, readjusting the centuries-old paradigm of an Earth-centeredsystem.
我的孩子们正在做的就像哥白尼过去所做的那样，纠正了悠久的地球中心宇宙系统为太阳中心宇宙系统。
2
The first is an automatic, metabolic system whose control is centered in the brain stem.
第一种是自发的新陈代谢系统，它的控制集中在脑干上。
3
The next 10 years represented the heyday of the mainframe DBMS, most of it centered on the IBM System/360 and its successor, the System/370 (see sidebar, "Pre-relational DBMSs").