29. Which reaction below represents60fa324f3afce.jpg decay by positron (正子) emission?
(A)60fa32717ae77.jpg
(B) 60fa3290519fa.jpg
(C)60fa32bccfa9c.jpg
(D) 60fa32deb700e.jpg

答案：登入後查看
統計： A(1), B(4), C(0), D(1), E(0) #2740202