学校管理形态结构为三个同心圆形状的结构体系。
The pattern structures of school running are like the system of pattern structures of three concentric circles.
本世纪40年代末，美国IBM公司有人开始研究同心圆形（所谓牛眼）代码标识，用于商品。
This century 40 time end, somebody of American IBM company begins to study homocentric circle (alleged ox eye) code marks, use at commodity.
或许以相似的方式制作出圆形的迷宫，可以先画一些同心圆，在用一些直线穿过这些同心圆。
Perhaps you could make a circular maze in a similar way by first drawing a set of concentric circles with lines radiating through them.
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