成都市地处四川盆地西部,成都平原中部,平均海拔500m,年平均气温15℃(-5～35℃),年平均降雨量997.6mm,常年气候温和湿润。成都市是一个历史文化名城,是西南地区的科技文化和商贸中心,特别是饮食业,享誉中外。现城区建成面积106km~2,城区常 Chengdu is located in the western Sichuan Basin and the central part of Chengdu Plain with an average elevation of 500m and an annual average temperature of 15 ℃ (-5 ~ 35 ℃). The average annual rainfall is 997.6mm, with a mild annual humid climate. Chengdu is a famous historical and cultural city. It is a science, technology, culture and business center in southwest China, especially the catering industry, enjoying a good reputation both at home and abroad. Now the city built area of ​​106km ~ 2, often in urban areas