By means of existing data, field investigation, GIS and geomorphological map of Hunan, the main geological hazards in Hunan are studied and a distribution of geological hazards is mapped.是什么意思_By means of existing data, field investigation, GIS and geomorphological map of Hunan, the main geological hazards in Hunan are studied and a distribution of geological hazards is mapped.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句