Taking message hiding as a basic method, a technique that can improve the quality of MIS software is figured out by means of program abstracting and setting up abstract data layer.

利用程序抽象技术，以信息隐藏为基本手段，通过建立抽象数据层，探索出一条提高MIS软件质量的技术方法。

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Perhaps the cleverest and dirtiest ad of the campaign so far, hiding beneath the obvious message about the spending plans a reminder of Mr Hague's speech to the Conservative conference, a reminder of his relative youth and inexperience.

BBC: Tattooists and tax