本文采用脉冲多普勒超声心动图(PDE)技术,测定27例左向右分流型先心病患者右室收缩时间期(RVSTI)的右室射血前期(RVPEP)、右室射血......

A backstepping method is used for nonlinear spacecraft attitude stabilization in the presence of external disturbances a......

The pricing of corporate bond with the default correlation was studied when the corporate holded the share of other corp......