中国在能源利用效率方面远远低于欧盟等发达国家，也有进一步降低单位GDP二氧化碳排放量的现实需要。
China's energy utilization efficiency is far lower than the EU and other developed countries, and China needs to further reduce carbon dioxide emissions per unit of GDP.
承诺到2020年时显著降低每单位GDP的排放量
另外，美国经济的能源强度（单位GDP的能源用量）在2010年增加了0.7%，同时美国能源的碳排放强度（单位能源的二氧化碳排放量）也略微增加，而2009年却减少了2.4%。
There was also a slight increase in the CO2 intensity of U.S. energy supply (CO2 per unit of energy) in 2010, which is in contrast to a drop of 2.4% in 2009.
中国人均二氧化碳排放量世界排名第92，每单位GDP排放的二氧化碳弹性系数非常小。
The amount of China's per-capita carbon dioxide emissions ranked 92nd in the world, and the elasticity coefficient of carbon dioxide emissions per-unit GDP was very small.
排放限值包括排气筒最高允许排放浓度，排气筒单位产品排放量和无组织排放最高允许排放浓度。
The emission limits should include the upper limit for emission concentration, the limit of unit product emission at exhaust funnels and the upper concentration limit for unorganized emission.
排放限值包括排气筒最高允许排放浓度，排气筒单位产品排放量和无组织排放最高允许排放浓度。
The emission limits should include the upper limit for emission concentration, the limit of unit product emission at exhaust funnels and the upper concentration limit for unorganized emission.
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