If we touch the hands of the small turtles, it would shrink its head and limbs immediately to Pui (turtle) shell inside.
如果我们用手去碰小乌龟的时候，它会把头和四肢立刻缩到贝(龟)壳里面。
To solve this problem, this paper designs and implements a geometric teaching system based on PUI (Pen User Interface), and applies technique of bidirectional geometrical constraint to this system.
针对这个问题该文基于人机交互中的笔交互技术，设计并实现了一套几何教学系统，并将双向几何约束的相关技术应用于该系统中。
Warring States Period turtles Pui the text on the state of Chu was mainly refers to the currency in circulation recorded text.
一是对战国时代龟贝和布币上的文字进行释读和考析。
In JIAXIAN city to see Kwok Pui Chun, she was sitting in front of the cutting system JIAXIAN suburbs map.
在佳县城内见到郭佩珍时，她正坐在门前剪制佳县城郊图。
In JIAXIAN city to see Kwok Pui Chun, she was sitting in front of the cutting system JIAXIAN suburbs map.
在佳县城内见到郭佩珍时，她正坐在门前剪制佳县城郊图。
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