For complete flexibility, in Unix-like systems with a popen function, you can pre-process the file with text processing utilities before it is passed into the plot command.

为了获得更完全的灵活性，在具有popen函数的unix类系统中，在将文件传送给plot命令之前，可以使用文本处理实用程序对文件进行预处理。

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The function of pre-processing system is to prepare data for the numeric analysis system of injection molding process, and the most important work of it is to provide meshes for the analysis.

前置处理系统的功能是为注射成型过程数值分析系统作好准备，其中最重要的是为有限元分析提供网格。

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The applied program with modular design has the function of downloading data from the electronic filed book directly, pre-processing, data base management and so on.

系统程序采用模块化结构，具有直接与外业观测电子手簿连接下传原始观测资料、预处理和数据库管理等功能，实现了测量内外业的一体化。

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