multiple-track cam

例句：

1. 1. This new camera has a multiple-track system that allows for easy switching between different lenses.
   这款新相机拥有多轨系统，可以轻松切换不同镜头。
2. 2.The film industry is using multiple-track cameras to shoot high-quality movies.
   电影行业正在使用多轨相机拍摄高质量的电影。
3. 3.The police department has installed multiple-track cameras in public areas to improve safety and security.
   警方部门在公共区域安装了多轨摄像头，以提高安全和安保水平。