21.加馬照相機(gamma camera)中,將可見光(light)轉化成電子訊號的構造是:
(A)photomultiplier tube
(B)crystal
(C)collimater
(D)correction circuits
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統計: A(1099), B(138), C(8), D(24), E(0) #1050000
統計: A(1099), B(138), C(8), D(24), E(0) #1050000