这个词是什么意思？
It is a form of protection provided by law. In the United States this protection is granted to authors of original works of authorship, including literary, dramatic, musical, artistic, and certain other intellectual works. This protection is available to both published and unpublished works. (from Circular of the United States Copyright Office, 6/30/2008)
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D003309 · MeSH 2026。
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