A literal image was the secret message and a still image was the cover message.

以二值文字图像为待隐藏的秘密信息，以静止图像为隐秘载体。

youdao

This transaction should cover the MQGET of the input message, all the business processing with database updates and the MQPUT of response message.

此事务应负担该输入消息的MQGET、有关数据库更新的所有业务处理和响应消息的MQPUT。

youdao

In each case the cover is a finely-tuned representation of the book's genre and the message it wants to send.

每本书的封面，都是对这本书风格和内容的完美阐释。

youdao

And what Mr. Newson talked about, on the day the nine black students enrolled at Central High in Little Rock and the thugs on the streets, the white thugs on the streets, attacked Mr. Newson and L. Alex Wilson, who was the editor at the Tri-State Defender in Memphis, and the message was clear, this is not your story, you're not going to cover it.

NPR: Book Examines Covering the Race Beat