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 processing temperature临界操作温度critical adjustment and control临界调控critical effective crack length临界有效裂缝长度Critical Supplies and Materials关键补给品与物资critical color fusion frequency颜色临界融合频率Critical illness polyneuropathy多发性神经病危象Critical Cohesion Concentration絮凝值critical speaking teaching mode批判性口语教学Critical Data Processing Center临界数据处理中心critical soil conservation area黄河中游