1、On the Information Resources Sharing under the Copyleft Concept
試論Copyleft理念下的信息資源共享

2、The copyleft also requires that any redistributed software be covered by the same license.
copyleft還要求所有重新發(fā)布的軟件使用原軟件的許可。

3、The copyleft also requires that any re-distributed software be covered by the same license.
copyleft還要求同一許可證涵蓋任何被再分發(fā)的軟件。

copyleft翻譯