—My house is very near a busy street. —I 发布时间:2017-05-05 16:21 │ 来源:www.tikuol.com 题型:选择题 问题: —My house is very near a busy street. —It be very quiet. [ ]A. can B. must C. can't D. mustn't
题型:选择题 模体中射野中心轴上任意点的剂量与空间同一点模体中射野中心轴上最大剂量深度处同一射野的剂量之比,是以下哪一种物理量的定义()A.散射最大比(SMR)B.射野离轴比(OAR)C.组织空气比(TAR)D.组织体模比(TPR)E.组织最大剂量比(TMR) 查看答案