52.為使質子射束在射束傳導系統(beam transport system)內偏轉,應使用下列何種電磁鐵?
(A)掃描磁鐵(scanning magnet)
(B)四極磁鐵(quadrupole magnet )
(C)搖擺磁鐵(wobbling magnet)
(D)二極磁鐵(dipole magnet)
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統計: A(54), B(263), C(104), D(1048), E(0) #3135839
統計: A(54), B(263), C(104), D(1048), E(0) #3135839