coded information

例句：

1. 1. The coded information was hidden in a secret compartment.
   编码信息隐藏在一个秘密隔间里。
2. 2.The government is using coded information to keep citizens in the dark about their taxes.
   政府正在使用编码信息来让公民对他们的税收保持沉默。
3. 3. The sender used a simple coded message to communicate with the receiver.
   发送者使用了一个简单的编码消息与接收者进行通信。