试题与答案

逆向确定射野参数相对正向方式的优点为() A.不需要确定复杂的约束条件 B.计划质量

题型:单项选择题

题目:

逆向确定射野参数相对正向方式的优点为()

A.不需要确定复杂的约束条件

B.计划质量较高

C.对治疗计划系统的性能要求低

D.对物理师的经验要求更高

E.子野数目通常较少

答案:

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