由于历史原因,我国的版权贸易工作起步较晚,而在一些发达国家中,版权贸易已在其国民生产总值中占了相当的比例。如:美国、英国都达到了占其国民生产总值6％左右的比例,这足以说明版权贸易在一个国家的经济发展中不可忽视的重要作用。自1992年我国加入《伯尔尼公约》和《世界版权公约》以来,国内外版权信息交流日益频 Due to historical reasons, China’s copyright trade started relatively late, while in some developed countries, copyright trade has accounted for a considerable proportion of its GNP. For example, both the United States and Britain have reached a proportion of about 6% of their gross national product. This shows that copyright trade plays an important role that can not be ignored in the economic development of a country. Since China acceded to the Berne Convention and the World Copyright Convention in 1992, exchanges of copyright information both at home and abroad have been increasingly frequent