This data definition file is a tab-separated text file, with a.ttx file extension (TTX), that is an outline of a table structure.
该数据定义文件是一个以。ttx为扩展名的、有标记界限的文本文件，良好地展现了表结构。
In this paper the deep outline of the deep conductivity structure in Lanzhou region has been given based on the preliminary study for the MT data at hands in the area.
利用兰州地区现有的大地电磁资料，对该区的深部电性结构进行了初步研究。
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