题目内容
高能电子线的剂量跌落区位于哪个深度剂量之后
2021-12-13
A.0.5
B.0.6
C.0.75
D.0.85
E.0.95
试卷相关题目
SQL Error: select id,body,options from ***_enewstiku where sourceid='29521' and id < 2401291 and id<>'2401291' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='29521' and id > 2401291 and id<>'2401291' order by id asc limit 5