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Critically ill obstetricpatients产科危重患者Critical concentration of poison毒害临界浓度Criticality Difficulty Frequency威胁程度难度频率critical stress intensity factor临界应力强度因子critical dielectric flux density临界电通量密度critical infiltrating conditions临界渗透条件Critical Process Assessment Tool关键步骤鉴定工具critical temperature of a plasma等离子体的临界温度critical properties of reservoir储层临界物性Critical Reading Teaching Method批判式阅读教学法

1. Whether this phenomenon is good or bad, there is no clear critical point to judge.
   这种现象的好坏，也没有明确的临界点进行判断。
2. It is the pressure necessary to condense a vapor at the critical point.
   它是使一种蒸气在临界点进行冷凝所需的压力。