The effect of this steady accumulation of CH4 in the atmosphere will become the focus of more scientific study, and, increasingly, environmental policy debate.
甲烷在大气中不断积聚的这种效应将成为更多科学研究的重点，从而招致越来越多环境政策的争论。
The new study comes from the Earth Policy Institute (EPI), a Washington-based environmental group.
这项新研究是以华府为根据地的环保团体“地球政策研究所”所做。
The paper analyze elemental sampling program, and study an optimal sampling policy for environmental monitoring.
本文分析了基本抽样程序，并用来解决环境监测的抽样优化问题。
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