在开发雷达模拟训练器整个过程中，需要为技术人员、开发人员、用户提供统一的，共同认可的建模语言和相关工具。
In whole process of developing radar simulation training system, there should be a set of model languages and related kits, which are easily accepted by developers, experts and users together.
用易语言编写的一个小数运算训练器，小巧实用。
Easy to use language of a minority operator training devices, compact practical.
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