The subsurface structure of Machang oilfield is complex. The former acquired seismic data could not satisfy the requirements for exploration and development.
马厂油田的地下地质构造复杂，以往采集的地震资料无法满足当前勘探开发的需要。
As an important component part of a regional geological map, the cutting section can reflect the characteristics of subsurface strata and structure.
图切剖面是区域地质图的重要组成部分，用于反映地下的地层和构造特征。
Three-dimension Seismic Data Volume is a three-dimensional digital image which maps the geological structure subsurface.
三维地震数据体是反映地下地质构造的三维数字图象。
Seismic results confirm that this gravity anomaly map is more close to the true geological structure of the subsurface.
经地震证实，这种重力异常图更符合地下的真实地质结构。
Wave equation time migration fails to image subsurface geological structure correctly in the case of obvious lateral seismic velocity variation.
当介质的速度在横向上存在较大的变化时，波动方程时间偏移不能使地下的构造正确成像。
In the paper, the geological mapping utilizing SPOT image is presented, and lineament pattern and its relationship with subsurface gas-bearing structure is discussed.
文中着重介绍利用，SPOT高分辨率卫星图像进行地质填图，探讨图像上构造形迹的组合型式及其与地下深部储油构造的关系。
It is very important for metal load-carrying structure in detecting the cracks on the surface or subsurface of material.
材料表面和表面下浅层裂纹的检测对金属承力结构十分重要。
This article has made the specific handling of subsurface geology and trend analysis of characteristic parameters of pore structure in East Sichuan Carboniferous System reservoir.
本文对川东石炭系储层孔隙结构的特征参数，进行了地下地质学和趋势面分析的特殊处理，取得了储层孔隙结构的区域变化规律。
When subsurface investigation reveals structural defects in the foundation area to be used for a structure, the foundation must be strengthened.
本地下勘探表明地基地区存在不良地层时，必须加固地基。
When subsurface investigation reveals structural defects in the foundation area to be used for a structure, the foundation must be strengthened.
本地下勘探表明地基地区存在不良地层时，必须加固地基。
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