As is vividly revealed in the drawing above, a bear and a penguin are forced to hug each other on one of the last pieces of ice-lands left due to global warming caused by carbon emission.
全文翻译正如上面图画所生动地揭示，一只熊和一只企鹅被迫在剩下的最后一块冰地上相拥。这是由于碳排放所导致的全球变暖所造成的。
During the forced aeration composting with swine manure and bran, the characteristics of nitrogen transformation and NH3 emission are studied.
研究在猪粪、米糠强制通风堆肥过程中，堆体中氮素转化特点和NH3挥发规律。
To comply with these regulations, automakers are being forced to develop ultra low-emission engine systems by optimizing combinations of technologies related to combustion, aftertreatment and fuel.
为了满足这些排放法规，汽车制造商不得不优化相关的燃烧、后处理和燃料等技术，从而开发超低排放发动机系统。
To comply with these regulations, automakers are being forced to develop ultra low-emission engine systems by optimizing combinations of technologies related to combustion, aftertreatment and fuel.
为了满足这些排放法规，汽车制造商不得不优化相关的燃烧、后处理和燃料等技术，从而开发超低排放发动机系统。
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