Regional stream sediment data can be used in studies of regional geochemical fields.
研究区域地球化学场可用区域分散流普查资料来进行。
It is of great significance to study the distribution of geochemical indexes in geochemical fields by means of non-linear approaches.
用分形与多重分形的方法研究地球化学场中地球化学指标的分布规律具有重要的意义。
The stress variations in the crust prior to earthquake can cause variations of geophysical and geochemical fields in the region near the epicenter.
地震前地壳中的应力变化会引起在一定区域范围内的地球物理场与地球化学场变化。
These terranes have great differences from each other in paleontology, Sedimention, metamorphism, deformation, magmatic activity and geophysics, and their geochemical fields are clearly distinct.
这些地体不但在古生物、沉积环境、变质变形、岩浆活动和地球物理方面存在着明显的差异，而且在地球化学特征上也迥然不同。
By using data of surface geochemical exploration, it is quite accurate to evaluate the conditions of saving oil gas fields especially for those leaking ones owing to be destroyed in last period.
利用地表油气化探资料可以较准确地判断油气藏保存条件的好坏，尤其对于已存在过又遭后期破坏的泄漏油气藏。
The most of oil fields with industrial index are also located at the cross districts between basin and tectonic recessive geochemical boundaries.
具有工业意义的油气田均位于构造隐性急变带与中新生代盆地的立交地段。
The most of oil fields with industrial index are also located at the cross districts between basin and tectonic recessive geochemical boundaries.
具有工业意义的油气田均位于构造隐性急变带与中新生代盆地的立交地段。
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