这个源程序是一个显示三维模型的，功能是打开三维模型，然后可以对其进行旋转，平移等-this source is a three-dimensional model shows that its function is to open the three-dimensional model, which can then be its rotation, translation, etc.

这个源程序是一个显示三维模型的，功能是打开三维模型，然后可以对其进行旋转，平移等-this source is a three-dimensional model shows that its function is to open the three-dimensional model, which can then be its rotation, translation, etc.