A loose rod of mass m1 and length l leans against one of the faces of a cube of mass m2 and side length a. The assembly is placed on a horizontal table with one
In the industrial field, long running of the equipment easily leads local temperature of the equipment to rise. This is a security risk. For this problem, we ha
As the development of machine vision technology, the color line-scan system is widely applied in the on-line inspection. Due to the non-uniform gray scale and c