这就像陶艺转盘。你定义好一个侧面的轮廓线，它旋转一圈就变成了一个罐子。
The System Browser is still an excellent frame. The open question is whether we can make the rest of the IDE hold the scene with the same strength.
，更多细节参见必应排名_Bing SEO_先做后付
the end result is surprising.
Smalltalk-80 system browser and companionsThe System Browser (also called the class browser) is meant to explore the class structure of the system. In practice, it’s the main programming surface in most Smalltalk IDEs.