To solve the instability of the equivalentfactor, a novel two-step calibration method is proposed.
为了解决等效因子的不稳定性，提出了一种两步标定法。
2
"But because each gas has a different potency, or" warming "effect on the atmosphere, a factor is applied to convert it to an equivalent of carbon dioxide."
考虑到不同气体对气候变化影响的强度各异，需要确定各自的折算因子以便于统一转换为二氧化碳当量。
3
The next factor is the energy cost of running, which is the equivalent to miles per gallon in an automobile.