This longer life means that in terms of cooling per gram, sulphur in the stratosphere outdoes the lower-down stuff by about 25 to 1.
更长的生存期就意味着就每克的冷却量而言,平流层中的硫比底层的硫多约25倍。
2
Central banks responded by expanding their lending operations through a mixture of more types of credit and collateral, longerterms and more counterparties (see chart 1).