By using the daily precipitation and daily mean air temperature data from 37 observation stations in Liaoning Province, the daily composite drought index (CI) in 1958-2007 was calculated.是什么意思_By using the daily precipitation and daily mean air temperature data from 37 observation stations in Liaoning Province, the daily composite drought index (CI) in 1958-2007 was calculated.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句