List<string> BlendShapeNames = Enumerable.Range(0, mesh.blendShapeCount).Select(x => mesh.GetBlendShapeName(x)).ToList();
var lst = new lst();
for(int i=0;i<mesh.blendShapeCount;i++)
var x = i + 0; //0对应的是Range中的0，（Start，Count)
lst.add(mesh.GetBlendShapeName(x));
return lst;
/1 
