衍生著作在版权法中属于灰色地带，尚待解决。
Derivative works is a particularly messy area of copyright law and one that is still being settled.
至于程序的输出内容是否构成本程序的衍生著作，则取决于本程序的具体用途。
因本授权条款之目的，构成编辑著作的作品不会被认为是一个衍生著作(定义如下)。
A work that constitutes a Collective work will not be considered a Derivative work (as defined below) for the purposes of this License.
例如，你写的故事是基于另一本书，或者对着一幅画拍了张照片，尽管你创作了一些新的东西，但是这会被认定为衍生著作，并且是侵权的。
For example, if you write a story based upon another book or take a photograph of a painting, even though you created a new work, it could be what is known as a derivative work and infringement.
第四章研究著作权保护年限对美术作品衍生产品授权的影响，以书画开发过程和故宫博物院的艺术授权年限为案例进行分析。
In the fifth chapter the paper researches the influence to accrediting of the art derivatives from the protection of life by Copyright Law, and analyses the case of the Forbidden City.
第四章研究著作权保护年限对美术作品衍生产品授权的影响，以书画开发过程和故宫博物院的艺术授权年限为案例进行分析。
In the fifth chapter the paper researches the influence to accrediting of the art derivatives from the protection of life by Copyright Law, and analyses the case of the Forbidden City.
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