71.如圖為多葉式準直儀品保程序中,穿透因子與中心軸距離的關係圖,最能顯示何種現象?
(A)geometric penumbra
(B)rounded leaf end
(C)interleaf and intraleaf transmission
(D)transmission penumbra
答案:登入後查看
統計: A(166), B(266), C(1998), D(392), E(0) #2181925
統計: A(166), B(266), C(1998), D(392), E(0) #2181925