We used chopsticks and rubberband to make that .
我们创作的都是有趣的“房间”。
This paper introduces the interactive graphic system by use of keyboards to control the tracking cross and the rubberband technique on APPLE - ⅱ microcomputer .
本文介绍了一种在APPLE-Ⅱ计算机上用键盘控制十字光标和橡皮带技术进行交互绘图的系统。
rubberband