NUCLEUS的图形用户界面（GUI)，80多万行代码。多窗口的支持非常好，但是对中文的支持似乎不太好。呵呵，可以参考。-NUCLEUS graphical user interface (GUI), more than 80 million lines of code. Multi-window support is very good, but the Chinese seem to support is not very good. Oh, for reference.