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1·To complete Map Revision, 3d - Scene Rebuilding, Construction Modeling, Engineer Survey and other missions by using the vehicle laser - scanning technology is the important direction of research.

利用车载激光扫描测量技术完成地形图修测、三维场景重建、建筑模型制作以及工程测量等任务，是近年来激光扫描测量技术应用研究的一个重要方向。

2·It also accepts as an argument a single map that has already made the necessary changes (but leaving the revision and ID intact).

它还接受单一映射这样的参数，该映射已经进行了必要的更改(但保留修订和ID完整)。

3·The revision is the _rev map entry in Listing 15.

修订是 清单 15 中的 _rev 映射条目。

4·In the two storage units, one is used to store the control programs and the basic control MAP, and the other is used to store the online data and the revision control MAP.

采用两片存储器，分别存放控制程序及基本控制MAP图和实时数据及修正控制MAP图。

5·By using 1:500 topographic map updating 1:2000 topographic through generalization of automatic cartography, decrease the burden of UBGIS data revision.

通过地图自动缩编利用1：50 0地形图更新1：20 00地形图，减少城市基础地理信息系统的更新负担。