GB/T 22060-2008 Specifies the size of the connection between the slider and the barrel groove of the Microscope barrel. In the Microscope structure, the close connection between the slider and the barrel groove affects the ease of operation and Stability of the equipment. The standard precisely defines the size of the connection part, such as length, width, depth and adaptation tolerances. In the production, assembly and maintenance scenarios of Microscope, this standard provides a uniform size basis for component manufacturers and equipment manufacturers to ensure that different parts can be accurately adapted to ensure the overall performance of Microscope is good, and helps to improve the production and maintenance efficiency of Microscope.