6 WTO Members shall provide for the protection of plant varieties either by patents or by an effective sui generis system or by any combination thereof. “sui generis”means:
(A)superior
(B)unique
(C)inferior
(D)powerful
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統計: A(2), B(4), C(2), D(1), E(0) #1167492
統計: A(2), B(4), C(2), D(1), E(0) #1167492