本文用计算器计算的方法代替作图，求算面积，可提高效率和精度。

Using computer to calculate forest base area instead of drawing can raise efficiency and precision.

youdao

本文用计算器计算的方法代替作图，求算面积，可提高效率和精度。

Using computer to calculate forest base area instead of drawing can raise efficiency and precision.

youdao