美国医学物理学家学会(AAPM)规定加速器X射线照射野一输出剂量系数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?
怎样鉴别燥邪犯肺证与肺阴虚证?
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"]
寒湿困脾与脾阳虚证有何异同?