In order to reduce global warming, emission of greenhouse gases needs to be reduced.(为了减缓全球变暖的现象，需要减少温室气体的排放。)
It shows you emission lines, no absorption lines.(你们看到发射谱线，不是吸收谱线。)
The nature of Coma's X-ray emission is still being investigated.(后发星系团X射线发射的性质仍在查证中。)
The deadlock has been most serious over proposed emission cuts.(在谈到建议的减排量时，双方陷入最严重的僵局。)
China believes in the need for cutting emission to counter global warming.(中国赞同减排，以阻止全球变暖的趋势。)
One possibility relates to the ATP-making machinery's emission of free radicals, which are thought to contribute to aging and to such age-related diseases as cancer by damaging cells.(一个可能的解释与制造ATP的组织释放出的自由基有关，人们认为它通过破坏细胞来促进老化，并且导致这种像癌症一样的和年龄有关的疾病。)
Developed countries need to unveil targets for emission cuts by 2020.(发达国家需要拿出在2020年达到的减排目标。)
The second is car emission.(二是汽车尾气。)
Zero-emission vehicles may not be a novel concept for long.(零排放汽车的概念可能已经不再新鲜了。)
It puts the whole carbon emission thing into perspective.(它把整个碳排放放在了某个角度。)
