self-checking code

例句：

1. 1.This self-checking code is designed to prevent errors during the installation process.
   这个自检代码旨在在安装过程中防止错误。
2. 2.The software has a built-in self-checking code that checks for any bugs or errors before it's released.
   该软件内置了自检代码，在发布前会检查任何错误或漏洞。
3. 3.The engineers used self-checking code to ensure the system was secure before it went live.
   工程师们使用了自检代码来确保系统在上线前是安全的。