Based on the theory of system dynamics,the paper analyzes the mechanism of socio-economic benefits of highway projects and establishes the system dynamics model
In this paper,according to the old people’s physical characteristics and their technical requirements for comfort and mastery when operating the robot,a contro
<正>Ls-DYNA software is adopted to conduct research of numerical simulation on hot stamping of side impact beam to calculate the temperature field distribution,
Water mist technology provides efficient firefighting performance while there is still room for improvement. So varieties of additives have been studied in rece