50. 如圖為一軸的軌跡,下列何著不是其軌跡的邊界約束條件? 
(A)θ̇ 1 = 0
(B)θ̇ 0 = 0
(C)θ(t0 ) = θ0
(D)θ̇ 0 ≠ θ̇ 1。
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統計: A(113), B(9), C(16), D(16), E(0) #2443109
統計: A(113), B(9), C(16), D(16), E(0) #2443109