42.每離子對的平均能量消耗(mean energy expended per ion pair)的國際單位為何?
(A)J
(B)J s-1
(C)J cm-2
(D)J kg-1
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統計: A(980), B(150), C(96), D(400), E(0) #1384345
統計: A(980), B(150), C(96), D(400), E(0) #1384345