Secondly, it analyzes the challenges which made to fair use rule in Internet environment from technological measures, and cyberspace contracts and the right of information network dissemination and forbidding circumvention of technological measures etc.

• 其次,从技术措施、网络合同、信息网络传播权以及禁止规避技术保护措施等四个维度,对网络环境中合理使用制度所遭遇的挑战予以详细分析,认为它们侵蚀了合理使用制度所具有的利益平衡功能;