中子活化的中子源主要有哪几类?
参考答案:
主要有:同位素中子源;加速器中子源;反应堆中子源。
— Mom, I was the first to reach the top of the mountain.
— Good job, Charlie. I’m ______ of you.
A.tired
B.proud
C.sure
D.sick
下列哪个是SOAP、WSDL、UDDI、BPEL的共同基础技术。()
A.ASP
B.XML
C.HTML
D.ORB