核素成像,静态图像分析的要点是()
A.脏器位置
B.脏器形态
C.动态变化
D.放射性分布
E.脏器大小
参考答案:A, B, D, E
_____ her mother after being separated for 20 years, she couldn’t help, even though she tried not to, ______.
A.Seen, crying
B.To see, cry
C.Seeing , crying
D.Having seen, crying
6502电气集中选用平行进路的断路法规律是什么?