A.移動或轉(zhuǎn)動治療床加轉(zhuǎn)動機(jī)架 B.轉(zhuǎn)動機(jī)架不動治療床 C.轉(zhuǎn)動機(jī)頭加轉(zhuǎn)動機(jī)架 D.同軸多野照射 E.單野轉(zhuǎn)轉(zhuǎn)照射
A.1% B.2% C.3% D.4% E.5%
A.0.5mm B.1mm C.1.5mm D.2.0mm E.2.5mm