critical ray临界光线criticaladj.批评的；挑剔的；决定性的；危险的adj.临界的critical educational studies批判教育学critical energy release rate临界能量释放率critical penetrating current临界穿透束流critical stress for fracture断裂的临界应力critical cut-off frequency临界截止频率Critical Intelligence Report重要情报报告critical separation distance临界分离距离Critical Requirements System紧急申请系统critical period of nutrition营养临界期critical pitting temperature临界点蚀温度