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 ventilation coefficient临界通气率Critical Information Requirement重要信息要求critical potassium concentration钾的临界浓度Critical current characteristics临界电流特性Critical Specifications Elements关键性技术规格要素critical condensation temperature临界冷凝温度critical magnetiza-tion current临界磁化电流Critical temperature of sterility不育起点温度Critical Threat Assessment Report重要威胁评估报告critical chain project management关键链项目管理