An expansion method for programming language based on design by contract is proposed while some errors may be happen during the game robot designing with graphical editor.

针对游戏机器人开发平台在图形编程过程中可能出现的错误，提出了一种基于契约式设计思想的程序设计语言扩展方式。

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Vox CEO Jim Bankoff, a former AOL executive, approached Christopher Grant, then editor-in-chief for the AOL video game blog Joystiq, about an opportunity to start a new site.

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