Because the designs are copyleft any engineer with an idea can create a new design, but only those willing to share back the design can take advantage of it. 因為設計是基于開(kāi)放版權，任何一個(gè)有新創(chuàng )意的工程師都可以創(chuàng )建一個(gè)新的設計，當然只有那些愿意共享設計的才能享受到這種優(yōu)勢。
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