77.在PET造影中,下列那些因素會使解析度變差?①偵測到scatter events ②較長的positron range ③偵測
到非180度的events
(A)僅①②
(B)①②③
(C)僅①③
(D)僅②③
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統計: A(73), B(1886), C(162), D(45), E(0) #1741018
統計: A(73), B(1886), C(162), D(45), E(0) #1741018