美国医学物理学家学会(AAPM)规定加速器中心轴上PDD和TAR的稳定性每年监测的允许精度() ["±1%","±2%","±3%","±4%","±5%"]
怎样鉴别肝火炽盛证与肝阳上亢证?
美国医学物理学家学会(AAPM)规定X、E射线校正剂量的稳定性每年监测的允许精度() ["±1%","±2%","±3%","±4%","±5%"]
美国医学物理学家学会(AAPM)规定加速器楔形板、限光筒位置精度() ["1mm","2mm","3mm","4mm","5mm"]
美国医学物理学家学会(AAPM)规定加速器机架、机头角度指示误差() ["0.1°","0.5°","1°","2°","5°"]
脾气虚证、中气下陷证、脾不统血证、脾阳虚证在临床上有何异同?