| 1. | If normalization of vertex normals is enabled ; otherwise ,
如果启用顶点法线的规范化，则为 |
| 2. | Structure that represents the nz component of the vertex normal
字段是表示顶点法线的nz分量的 |
| 3. | Structure that represents the nx component of the vertex normal
字段是表示顶点法线的nx分量的 |
| 4. | Structure that represents the ny component of the vertex normal
字段是表示顶点法线的ny分量的 |
| 5. | Enables or disables automatic normalization of vertex normals
启用或禁用顶点法线的自动规范化。 |
| 6. | Floating - point value that represents the ny component of the vertex normal
表示顶点法线的ny分量的浮点值。 |
| 7. | Floating - point value that represents the nz component of the vertex normal
表示顶点法线的nz分量的浮点值。 |
| 8. | Floating - point value that represents the nx component of the vertex normal
表示顶点法线的nx分量的浮点值。 |
| 9. | Construct two mutually orthogonal tangents of the deltoid . where do they meet
三角星形线的两条互相垂直的法线的交点在哪里 |
| 10. | Length of normal
法线的长 |
