critical old老年危重患者criticaladj.批评的；挑剔的；决定性的；危险的adj.临界的critical shear strain energy theory最大剪应变能量理论Critical Technical Control Facility紧急技术控制设施critical crack opening displacement临界裂缝张开位移critical temperature of accelerator[化] 硫化促进剂临界温度critical incident stress debriefing严重事件应激晤谈critical value of acoustic velocity声速临界值critical continuous conduction mode临界连续模式Critical level of atmospheric escape大气逃逸critical entrepreneurship activities创业关键活动critical thickness of tip resistance端阻力临界厚度