each-pass own code

例句：

1. 1. Each project has its own code to ensure security and efficiency.
   每个项目都有自己的代码，以确保安全和效率。
2. 2.The company uses proprietary codes to protect its intellectual property.
   该公司使用专有代码来保护其知识产权。
3. 3. The developers have implemented their own code for the new software system.
   开发人员为新软件系统实施了他们自己的程序代码。