49.下列何種造影參數下,腦脊髓液在影像上較白質為亮?
(A)TR=2000 ms,TE=8 ms
(B)TR=2000 ms,TE=80 ms
(C)TR=200 ms,TE=80 ms
(D)TR=200 ms,TE=8 ms
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統計: A(23), B(259), C(36), D(34), E(0) #3492037
統計: A(23), B(259), C(36), D(34), E(0) #3492037