At the demand of the United States, the Kyoto rules were tweaked to allow rich countries to buy their way out of their targets, a move that gave birth to the multi-billion carbon trading industry.
在美国的坚决要求下，京都规则做了稍稍的调整，允许富国“花钱换减排”，从而孕育了数十亿的碳交易产业。
2
The material is a thin coating of carbon nanotubes - hollow and multi-walled tubes about 10, 000 times thinner than a strand of human hair.
该材料是一种由碳纳米管组成的薄涂层——这些碳纳米管是中空多壁的，比一根头发丝还要细一万倍。
3
The microstructure evolution of Q235 plain carbon steel in multi-pass hot deformation was investigated by means of hot compression simulation.