氮素循环 meaning in English

nitrogen cycle

Nitrous oxide ( n2o ) , a naturally occurring greenhouse gas , was one of the trace gases of nitrogen cycle . its lifetime was about 120 years in the troposphere . it has caused considerable concern since n2o not only contributed to the destruction of stratospheric ozone , but also its greenhouse effect strength was about 200 times higher than carbon dioxide ( co2 )
温室效应气体n _ 2o是氮素循环中的痕量气体之一，其温室效应强度是co _ 2的200倍左右，它在大气中的停留时间长达120年，而且，其消耗或转化是以破坏o _ 3为代价的。