embedded key

例句：

1. 1. The security system requires an embedded key to access the network.
   这个安全系统需要嵌入密钥才能访问网络。
2. 2.The software developer had to embed a secret key into the program.
   软件开发者不得不将一个秘密密钥嵌入到程序中。
3. 3.The embedded key is used to secure the data and prevent unauthorized access.
   嵌入密钥用于保护数据并防止未经授权的访问。