marginal bone 中文意思是什麼
marginal bone
解釋
邊緣骨-
In 1572 the privy council of elizabeth i, the queen of england, refused to grant patent protection to new knives with bone handles because the improvement was marginal
1572年,英女王伊麗莎白一世的樞密院以創新性太小而拒絕了帶骨把的刀子的專利權申請。
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