利用这套程序制作图件，不仅可成倍提高工效而且可以提高制图精度。
Not only the drawing effectiveness, but also the drawing accuracy can be greatly raised with this program.
与传统制图方法相比，它能在保证制图精度的前提下有效减少采样数目，从而大大减少了外业调查的工作量。
As compared with conventional cartography, it enable decrease effectively sampling hits on the basis of assuring map precision, therefore it able to lessen a great deal of outdoor labor.
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