Viewers will be annoyed if restrictive copy prevention schemes thwart them from watching or listening to programs they have already paid for. 如果观众已经付了钱,却因为版权保护制度的限制而无法收看或收听节目,他们是会生气的。
Apply the technology of data copy to the flood prevention network system 数据复制技术在防汛网络系统应用初探