By means of numerical simulation, the roadway deformation affected by joints was analyzed and the pre-tensioned bolts fo......

　　Quadruped can take the initiative to adjust their gait for adapting to different external environment.Its superior c......

目的探讨跟骨结节关节角测量在跟骨后关节面骨折手术治疗中的意义。方法对22例波及跟骨后关节面骨折患者，术前、术中、术后均测量跟......