However, in some cases the existing structure of the data does not map reliably to a proper DITA element.
但是某些情况下，数据的现有结构不能可靠地映射到正确的DITA元素。
Data binding allows you to map specific component values to an existing data structure, without the need for extra programming.
通过数据绑定可以将特定的组件值映射为一个已有的数据结构，而不必进行额外的编程。
Based on the analysis of existing problem, we introduced a new way that can advance the production efficiency, that is use the remote sensing image to product map data and extract information.
针对这个现状，本文从实际生产出发，介绍了如何在导航电子地图生产制作中利用遥感影像图进行数据制作和信息补充，从而提高生产效率，同时阐述了利用遥感影像进行电子地图更新所面临的问题。
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