Shindell said a good policy would target a greenhouse gas-emitting activity, and regulate it in order to improve air quality and slow climate change.

辛德尔认为，集中精力处理好温室气体排放问题，不失为改善空气质量，延缓气候变暖的一大良策。

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Therefore, researching the target identification technology in the sea and air conditions is very important for getting target information with high quality.

因此，研究在海空复杂背景条件下的目标识别技术，对获取高质量海面目标信息具有非常重要的意义。

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However, with traditional degasification method, the sample gas or the analytic target is commingled with the air that sneaks in, so the quality of the sample gas is distorted seriously;

但传统常规脱气方式，使作为分析对象的样品气不受控地混入空气，造成样品质量严重失真；

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In Edinburgh, 18 out of 38 air quality monitoring sites breached acceptable levels of the pollutant, while Aberdeen Council expressed concern over meeting the target near busy roads, the charity said.

BBC: Valley 'most polluted area'