Most recently, major oil and gas discoveries off the Brazilian coast promise to substantially shift the balance of power in Latin America.

最近，在巴西沿海，石油和天然气的重大发现将大大改变拉丁美洲的力量平衡。

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Analyzing methods based on material balance are currently important tools for performance analysis and reserve calculation of oil and gas reservoirs.

以物质平衡原理为基础的动态分析方法是现今油气藏动态分析与储量核实的重要工具。

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Taking the hydrogen balance into account, the yield of dry gas that the hydrogen content is more than 20% should be debased in order to provide enough hydrogen for propylene and light oil.

从氢平衡的角度考虑，为使多产丙烯、兼顾轻油有充足的氢源，干气收率就必须尽量低。

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Moreover, critical US national security interests, such as the stability of the Egyptian-Israeli peace agreement, Egypt's 35-year strategic alignment with America following Sadat's pivot away from the Soviet Union, and the fate of the Arabian Peninsula's oil-and gas-producing regimes, justifiably weigh in the balance for Washington's decision-makers, and the West as a whole.

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