包括虚拟现实技术、计算机图形学，面向对象的软件开发方法以及可视化开发技术等。
It includes visual reality technology, the computer graphics technology, and software development approach facing the target, developing technology of visualization.
在面向对象的软件开发中，如果软件由近百个或更多对象构成，单凭简单的分析是很难理清的。
In the development of object-oriented software, if the software consists of hundreds of objects, it is difficult to understand the relationship among them by simple analysis.
软件开发确实是项目的核心部分，并且/或者软件是面向对象的。
Software development is clearly a key part of the project, and/or the software is object-oriented.
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