说明: 美赛题In this section, we develop a best fitting model to describe the developing of renewable energy over the years, considering the characteristics of four states [5]. Meanwhile, to evaluate the usage of clean and renewable energy, we use the analyti <qiyu199887> 上传 | 大小:406kb
说明: 2019美赛C题数据Year the evidence was received for analysis State in which the evidence was taken into custody County in which the evidence was taken into custody FIPS code representing state FIPS code representing county Combined state and county FIPS co <weixin_43294088> 上传 | 大小:4mb