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1. Richard Satava, program manager for advanced medical technologies, has been a driving force in bringing virtual reality to medicine, where computers create a virtual or simulated environment for surgeons and other medical practitioners. 【译文】高级医学技术项目部经理理查德塞塔瓦是将虚拟现实技术引进医学领域的先驱。在该领域，电脑为外科医生和其他医护人员创造出一种虚拟或模拟情景。 【析句】复合句。主句Richard Stava has been a driving force in...,program manager for advanced medical technologies作主语Richard Satava的同位语。主句后，where引导定语从句修饰medicine。 2. As surgeons watch a three-dimensional image of the surgery, they move instruments that are connected to a computer, which passes their movements to robotic instruments that perform the surgery. 【译文】外科艺术一边观察手术的三维影像，一边移动与电脑相连的工具，并通过这个工具将他们的动作传递给正在操作手术的机器手。 【析句】包含多个从句的复合句。主句they move instruments,后面是that引导定语从句修饰instruments，主句前as引导时间状语从句，主句后，which passes their movements to robotic instruments作非限制性定语从句，而这一从句中，robotic instruments后又有that引导的定语从句修饰。 | 
