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。

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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

In the areas in which it proposes to act, the government seems intent on expanding its powers to snoop to cover new forms of technology, such as e-mail and message pagers.

ECONOMIST: A snooper��s charter

Having said that, it is almost certainly the case that the reason the initial focus in these hearings was not on the White House or elsewhere in the executive branch was that there was no evidence of a cover-up or of a politically spinning of the post-Benghazi message there either.

CNN: Benghazi hearing's real target: Clinton in 2016

Since November, that message has been lost in the fight over the fiscal cliff, the cover-up over Benghazi, the Newtown tragedy and the gun debate.

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