Practice has proved that this method is feasible, easy to extend the number of menu and can avoid the emergence of non illegal states, and the menu transition is very fast, stable and reliable.

实际应用表明，这种方法易于扩展菜单数量，避免了非法状态的出现，菜单转换迅速、稳定可靠。

youdao

Practice has proved that this method is feasible, easy to extend the number of menu and can avoid the emergence of non illegal states, and the menu transition is very fast, stable and reliable.

实际应用表明，这种方法易于扩展菜单数量，避免了非法状态的出现，菜单转换迅速、稳定可靠。

youdao