7 乳房攝影(mammography)X-光機常用之濾器(filter)材料為何?
(A)鉬(molybdenum, Mo)
(B)釓(gadolinium, Gd)
(C)鋇(barium, Ba)
(D)鈹(beryllium, Be)
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統計: A(345), B(6), C(0), D(26), E(0) #1067675
統計: A(345), B(6), C(0), D(26), E(0) #1067675