一、基本概况贵阳位于黔中,地处东经106°27′—107°03′,北纬26°11′—26°55′,为长江水系和珠江水系之分水岭。面积2,436平方公里,平均海拔1071.2米。城区为山间坝子(盆地),四面环山,郊区厲丘陵地带。虽处亚热带,又具明显山地特点,气候温暖湿润。年均温15.3℃,年中最高极值和最低极值分别为33—34℃和-4——5℃,无霜期260—280天,年 I. Basic Profile Guiyang is located in central Guizhou, which lies between 106 ° 27’-107 ° 03’E and 26 ° 11’-26 ° 55’N, and is the watershed between the Yangtze River and the Pearl River. Area of ​​2,436 square kilometers, with an average elevation of 1071.2 meters. Urban area for the mountain bazi (basin), surrounded by mountains, suburbs Li Li hills. Although subtropical, but also significantly mountainous features, warm and humid climate. The annual average temperature is 15.3 ℃. The highest and lowest extremes in the year are 33-34 ℃ and -4--5 ℃ respectively, frost-free period is 260-280 days,