TBI(全身照射)现在常用的技术要求是()
A.延长距离2-3米
B.机架旋转45度
C.治疗头旋转90度
D.照射野的对角线平行于患者的长轴方向
E.垂直照射
参考答案:D
According to the speaker, the proportion of college students with loans in the United States has increased from 50% in 1993 to about 67% at present and the average loan debt when they graduate is 17,000 dollars.
物业管理招标投标是指( )通过招标方式选聘物业服务企业,物业服务企业通过投标方式竞聘物业管理项目的活动。
A.房地产开发商或业主 B.房地产开发商或建设单位C.业主大会或建设单位 D.业主或建设单位