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当前,我国一比一百万区域地质调查即将全面完成,一比二十万完成了国土面积的三分之二。大部分省区特别是地质调查程度较高的东部省区,已经进入以一比五万区域地质调查为主的工作新阶段。随着国民经济建设的迅速发展,有关各方面对大比例尺区域地质调查提出了紧迫的任务。因此,一比五万区域地质调查面临着如何进一步合理部署,提高图幅质量和缩短区域地质调查周期,以满足社会需要和地质工作自身发展需要的问题。
At present, China’s one to one million regional geological surveys are about to be completed in full, with two to two thirds of the land area completed by one to two hundred thousand. Most provinces and autonomous regions, especially the eastern provinces with a high degree of geological survey, have entered a new phase of work that focuses on the geological survey of one to 50,000 regions. With the rapid development of the national economy, all parties concerned have put forth urgent tasks for the large-scale regional geological survey. Therefore, one to fifty thousand regional geological surveys face the issue of how to further rationalize deployment, improve the quality of the map and shorten the period of regional geological survey so as to meet the needs of society and the needs of the geological work itself.