Through theoretical analysis of reliability and simulation analysis of dispersivi of da/dN based on Monte Carlo method, the distribution function of n and c was
This paper applied the gray system theory to error data processing of NC machine tools ac-cording to the characteristic.It presented the gray metabolism model o
A horizontality adjusting system of the earth drill's platform is designed to deal with the operation difficulty of the platform which appeared while the ea
The PLDIM (Product Lifecycle Dynamic Information Model) is the most important part of the PLDM (Product Lifecycle Dynamic Model ) and it is the basis to create