《地图学》中地形图图号及图幅经纬度范围推算问题研究

Study on calculation between the topographic chart number and the range of longitude & latitude maparea in cartology

根据国家基本地形图对分幅和经纬度范围的要求,系统地提出了推算公式,以实际地点具体推算,并用图解法加以检验和论证.

In the light of Chinese basic topographic map demands on framing and the range of longitude ＆ latitude, the caculation formula were systematically presented. And by physical location reckoned and graphic method verified, that expression was fight.