In contrast, the unadjusted data show a twice this value trend for Shanghai but little trend for Beijing at the long-term scale and overestimate the recent warming by 50%-130%.

• 相比之下，上海的未修正资料显示出两倍于此的趋势；北京的未修正资料几乎没有长期趋势，而对近期的变暖趋势则高估了50%25一130%25。