This paper deals with the PC series micro - computer software copy protection problem.
本文研究的是PC系列微机的软件防拷贝问题。
Copy right is a legal protection for the creator of some certain works.
版权是对作品创造者实行的一种法律保护。
From an industry standpoint, physical media has a great advantage: it is its own copy-protection.
从工业的观点来看，实体的媒体有很大的优势：他的本身就非常难以拷贝。
From an industry standpoint, physical media has a great advantage: it is its own copy-protection.
从工业的观点来看，实体的媒体有很大的优势：他的本身就非常难以拷贝。
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