<正> A novel haptic device which is characterized by large workspace,high rigidity,simple kinematicsand easy construction is presented.This device is a parallel
<正> A two-stage power amplifier operated at 925 MHz was designed and fabricated in Jazz' s 0.35μmSiGe BiCMOS process.It was fully integrated excluding the
<正> Due to the mobility of mobile hosts,checkpoints and message logs of the computing process may disperseover different mobile support stations in the checkpo