Subdivision and numbering for the national primary scale topographic maps 國(guó)家基本比例尺地形圖分幅和編號(hào)
Revision survey specifications for the national primary scale topographic maps 國(guó)家基本比例尺地形圖修測(cè)規(guī)范
Article 8 the state shall establish a nationwide unified geodetic coordinate system , plane coordinate system , vertical system , geocentric coordinate system and gravimetric system , and define the classification of orders and classes and precision of the national geodetic survey , as well as the national basic scale map series and their basic precision 第八條國(guó)家建立全國(guó)統(tǒng)一的大地坐標(biāo)系統(tǒng)、平面坐標(biāo)系統(tǒng)、高程系統(tǒng)、地心坐標(biāo)系統(tǒng)和重力測(cè)量系統(tǒng),確定國(guó)家大地測(cè)量等級(jí)和精度,以及國(guó)家基本比例尺地圖的系列和基本精度。