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面积量算是林业区划工作的基础工作,目前采用的地形图和国产透明纸因受气温和湿度影响,收缩性很大,很难达到规定精度。据近
The amount of area is the basic work of the division of forestry work, currently used topographic maps and domestic transparent paper due to the impact of temperature and humidity, shrinkage is very large, it is difficult to achieve the required accuracy. Nearly