copy protection

例句：

1. 1. The company's copy protection measures are strict, preventing unauthorized copying ofits software.
   该公司的版权保护措施非常严格，防止未经授权复制其软件。
2. 2.The government is introducing new copyright laws to protect the creators' rights.
   政府正在引入新的版权法律，以保护创作者的权利。
3. 3. The film's director has successfully defended his work through copyright protection.
   该电影的导演通过版权保护成功地维护了他的作品。