This has eliminated several stages in the previously time-consuming process of digitizing, editing and coding land cover maps, speeding it up considerably and also eliminating several potential sources of error.
这使以前对土地覆盖地图进行数字化、编辑和编码的耗时过程省去了几个阶段，大大加快了速度，而且消除了几个潜在的出错根源。