Nature speaks a language, Graziano says, and sometimes that language can look pretty complicated—like the function whose graph mirrors the shape of this pile of sand. (March 2009.)

图4：格拉齐亚诺说，大自然讲一种语言，有时这语言非常复杂——象这个函数，其图形与这个沙堆的形状相吻合。

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FORTRAN language have obtained general application in hydraulic digit simulation, but FORTRAN language of microcomputer system has not graph function.

FORTRAN语言在液压数字仿真中获得了普遍的运用，然而微机系统的FORTRAN语言一般都没有图形功能。

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It is very great significance to use the resource of microcomputer system to expand graph function for FORTRAN language.

因此，利用微机系统本身的资源给FORTRAN语言扩展图形功能有很大的意义。

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