With the advent of 3G eras and the popularity of smart phones, Chinas modem health care has got mature conditions to enter the mobile.information era, but t
The theory of series is widely used in linear and nonlinear systems and approximate calculation,while the convergence of series is the foundation.In this pa
Due to the change of usage, the load of the workshop increased greatly, structure and structure members are should be strengthened.Calculations results show
The tee hole of GIS shell thickness have an important impact on the security of the strength and use in its stamping process.By using the methods of numeric