You only need to scan the book's shape code. Then the app tells you information about the book.

你只需扫描书的条码，这款app便会为你提供这本书的相关信息。

We have deduced the rules defining the shape set and shape code set, and proposed some practical methods for its input software programming.

对如何建立形面集和如何制定形面代码集都给出了指导性规则。

You're right in assuming that your slowdown in coming from your shape code - vector data is redrawn every frame in flash, so the more complex it is, the longer it takes to draw.

你认为你的放缓，来自你的形码矢量数据重绘在闪光每帧的权利，所以它更复杂，越需要绘制。