问题 单项选择题

治疗计划系统设计所需的数据包括()

A.射野及机械运动有关几何数据

B.射线束数据

C.射线剂量学数据

D.A+B+C

E.B+C

答案

参考答案:D

解析:治疗计划系统设计所需的数据包括射野及机械运动有关几何数据,射线束数据和射线剂量学数据。

综合

读图,回答问题:

(1)有5000吨的货物要从香港运往荷兰的鹿特丹。请参考“中国主要国际航海线图”和“亚欧铁路大陆

    桥示意图”,设计两条具体详细且不重复的运输线路,再根据所学知识对两条线路的优点和不足分别

    进行评价。

                                                                                                                                                                 

                                                                                                                                                                

                                                                                                                                                                 

                                                                                                                                                                 

                                                                                                                                                                 

                                                                                                                                                                 

                                                                                                                                                                 

问答题 简答题