Based on analyzing drawing software package for printer's configuration module, two methods have been presented in order to add a new configuration file of printer in the package.

在详细分析绘图软件包打印机的配置模块结构的基础上，本文提出增设新的打印机驱动模块，使绘图软件包支持新的打印机的方法。

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This software package can calculate electric field in different stress cone shape by finite element method, and can present following functions: drawing equipotential line;

开发的软件包对不同的应力锥形状下的场强采用有限元方法进行计算并提供以下功能：画出任意电位的等位线；

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