满足数字化矿图的精度要求是实现数字矿山的重要保证。
Precision of digital mining map is a guarantee of realizing digital mine.
对采用坐标展点器展绘碎部点坐标所测绘的大比例尺地形图的精度进行了系统地分析，并定量地给出了采用不同测距方式展点测图的点位中误差。
The precision of a large scale topographic map is systematically analyzed, which is measured and drawn with the help of coordinate point distributor for the distribution of the detailed points.
它的酒精度很高，有时接近于波尔图葡萄酒的浓度。
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