Because of unique climatic condition and geological condition in perennially frozen soil zone, structural design of asphalt pavement in this area has its particularity.
多年冻土地区独特的气候条件和地质条件决定了该地区沥青路面结构设计的特殊性。
The paper analyses the geological condition of Datong Coal Field, explains the region structure there, and expounds the role of structural system in controlling coal of Datong Coal Field.
分析了大同煤田的地质概况,较为具体地对其所处区域构造进行说明,深层次论述了构造体系对大同煤田的控煤作用。
Based on geological, geochemical and geophysical data and ore-forming condition anasis, it is proposed that the deposit belongs to "hot water sediment-structural innovation" type.
文章综合矿区已有地物化资料,通过对矿床成矿条件研究,认为矿床属“热水沉积—构造改造”成因。
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