全脑全脊髓照射,两个脊髓野(电子线野)的间隙大约为() ["0.3cm","0.45cm","0.6cm","0.8cm","1cm"]
叙述并演示掌推法操作。
全脑全脊髓照射时,头部野与上脊髓野(电子线野)在皮肤表面上的间隙大约为() ["0.3cm","0.45cm","0.6cm","0.8cm","1cm"]
()应具备的功能包括:标准飞行轨道生成功能,常规的飞行航线生成、管理功能。 ["航线规划","航迹规划","任务规划"]
全脊髓照射给予的剂量为() ["1500~2000cGy/4~5W","2000~2500cGy/4~5W","2500~3000cGy/4~5W","3000~4000cGy/4~5W","4000~5000cGy/4~5W"]
叙述并演示散刺法的操作。