Identification of condensed section is not only the key to understanding of sequence structure, but also critical to analysis of global relative sea level changes during geologic history.
对凝缩段的识别不仅是认识层序结构的关键，而且对分析地质历史时期全球相对海平面变化至关重要。
Major causes of cracks are contraction deformation in early stage, too complicated and changeable geologic setting, improper section shape of the tunnel, wrong practice of NATM construction, etc.
裂缝产生的原因主要是早期收敛变形，地质条件复杂多变，隧洞断面形状不当，新奥法施工运用欠妥等。
On the basis of analyzing the geometry characteristic of geologic section, the data model of section is built.
在分析地质剖面图的几何特征的基础上，建立了地质剖面图的数据模型。
Geologic section is an important diagram of reflecting the structure and lithology of stratum. It is the most intuitionistic and effectual expression of stratum.
地质剖面图是反映地层结构、岩体属性特征的重要成果图件，是地层在垂向上最直观最有效的表达方式。
The time section made by mathematically simulating a geologic model offered from drilling data conforms better with factual data.
根据钻井资料提供的地质模型，用数学方法进行模拟，所得的时间剖面和实际资料有较好的吻合。
YiyangLoudi section of LuoyangZhanjiang railway lies on karst geologic hazard area with complicated hydrogeology and engineering geology condition.
洛湛铁路益娄段地处岩溶发育区，水文工程地质条件复杂。
YiyangLoudi section of LuoyangZhanjiang railway lies on karst geologic hazard area with complicated hydrogeology and engineering geology condition.
洛湛铁路益娄段地处岩溶发育区，水文工程地质条件复杂。
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