说明：  这是一个手骨骼的stl文件，包含了655165个三角面片，数据量比较大，可以满足三维建模软件的测试使用。该模型细节好，显示效果极佳。
(This is a hand bones stl file, contains 655,165 triangles, data volume is huge, three-dimensional modeling software to meet the test to use. Details of the model well, showing excellent results.)