单片机电感测试仪的源程序，使用电容三点式震荡法测电感。-Chip inductance tester of the source, the use of three-point capacitance inductance measured shock.

点云三维重建中需要用的法向量计算，能够有效避免法向量不一致的问题，更好进行三维重建。测试有用。-Normal vector calculation point cloud reconstruction in need, and can effectively avoid the problem of inconsistent normals, better three-dimensional reconstruction. Useful for testing.