Dependence on foreign oil and gas simply is not the best solution any more - not in America, not in Europe, not anywhere.
依赖外国的石油和天然气根本不再是最佳的解决方案——在美国不是，在欧洲不是，在任何地方都不是。
Hydrophobically associating polymer solution has special shearing resistance performance because of introduced associating base group, so there is a wide application prospect in oil gas exploitation.
疏水缔合聚合物分子链上疏水基团的引入使其溶液具有独特的抗剪切性能，从而在油气田开采领域具有广阔的应用前景。
According to geologic model of unsteady groundwater flow in heterogeneous medium and adopting the finite difference solution, the direction and strength of oil gas migration can be quantified.
根据非均匀各向异性地层的非稳定的地下水流动模型，采用有限差分法求解，可以定量判断油气运移的方向及强度。
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