23. 何者為主機出力儲備的百分比數？
(A) nM = (nc – n MCR ) / n MCR x100%
(B) SM = (Pemax – Pec) / Pec x100%
(C) EM = (PeMCR – Pec) / PeMCR x100%
(D) SM = (nc – n MCR ) / n MCR x100%

答案：登入後查看
統計： A(5), B(12), C(24), D(7), E(0) #2721520