版权声明 Copyright Statement：
1.本社区严格遵守中华人民共和国《著作权法》第四节第二十二条有关规定。
This community strictly abides by the relevant provisions of Article 22 of Section 4 of the Copyright Law of the People's Republic of China.
2.未特别注明的内容均遵守CC BY-NC-SA 4.0版权协议。
Any content not specifically stated shall comply with the CC BY-NC-SA 4.0 copyright agreement.
3.出于分享目的，本社区的用户可能会误刊发、损害或影响您的合法权益，请您积极与我们联系处理。
For the purpose of sharing, users of this community may mistakenly publish, damage or affect your legitimate rights and interests. Please contact us to handle this.
4.社区用户的投稿及发言不代表本社区的任何立场。
The contributions and comments of community users do not represent any position of this community.
5.本社区的课程视频内容未经授权不能转载，如需转载请联系站点管理员取得授权。
The course video content of this community cannot be reproduced without authorization. If you need to reproduce, please contact the site administrator for authorization.
1.本社区严格遵守中华人民共和国《著作权法》第四节第二十二条有关规定。
This community strictly abides by the relevant provisions of Article 22 of Section 4 of the Copyright Law of the People's Republic of China.
2.未特别注明的内容均遵守CC BY-NC-SA 4.0版权协议。
Any content not specifically stated shall comply with the CC BY-NC-SA 4.0 copyright agreement.
3.出于分享目的，本社区的用户可能会误刊发、损害或影响您的合法权益，请您积极与我们联系处理。
For the purpose of sharing, users of this community may mistakenly publish, damage or affect your legitimate rights and interests. Please contact us to handle this.
4.社区用户的投稿及发言不代表本社区的任何立场。
The contributions and comments of community users do not represent any position of this community.
5.本社区的课程视频内容未经授权不能转载，如需转载请联系站点管理员取得授权。
The course video content of this community cannot be reproduced without authorization. If you need to reproduce, please contact the site administrator for authorization.
