题目内容
高能光子线的剂量学特点
2021-12-13
A.随能量增加,皮肤剂量加大
B.随能量增加,皮肤剂量减小
C.随能量增加,皮肤剂量不变
D.10MeV之后随能量增加,皮肤剂量减小
E.10MeV之后随能量增加,皮肤剂量不变
试卷相关题目
SQL Error: select id,body,options from ***_enewstiku where sourceid='29522' and id < 2401306 and id<>'2401306' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='29522' and id > 2401306 and id<>'2401306' order by id asc limit 5