VC NET development of CAD source, including drawing straight lines, arcs, and polygons, graphics printing.

用VC NET实现的CAD开发源程序， 包括画直线，圆弧，多边形，图形打印等。

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Finally, the software was made, in the VC program environment, about the emulation mode of combine the situation assessment and threat estimate with the Bayesian net.

文中运用面向对象的VC编程环境，编制了基于贝叶斯网络的态势威胁评估系统模块的图形化仿真软件。

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