54. In the curriculum guidelines of technology domain, which of the following does not belong to the learning contents for “Mechanistic and structural applications of everyday technological products” in junior high school level？
(A)Transmission of force
(B)Gear system
(C)Principle of lever and connecting rod
(D)Application of computer software for mechanism analysis

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統計： A(7), B(13), C(13), D(94), E(0) #2319578