The thalweg in loess hill area is an important terrain structural line, reflecting topography and landform character.

黄土丘陵区沟沿线,是反映该区形貌特征形结构线。

Guangzhou is the rainstorm pilosity city of China.The climate, weather system, geographical position and topography are main factors of the rainstorm.

摘广州是中国暴雨多发城市，气候、天气系统、位置及形是形成暴雨主因素。

Such results are gotten: (1) Due to the unique topography the wind of Beijing area during the day time is southern anabatic wind and in the night is northern katabatic wind in summer.

(1)北京区域夏季边界层风场受西北特殊形影响,夜间低层大气流场常表现为由北向南下坡风,白天逐渐转为由南往北上坡风。

The thalweg in loess hill area is an important terrain structural line, reflecting topography and landform character.

黄土沟沿线,是反映该形貌特征重要形结构线。

Guangzhou is the rainstorm pilosity city of China.The climate, weather system, geographical position and topography are main factors of the rainstorm.

摘要广州是中国暴雨多发城市，气候、天气系统、理位置及形是形成暴雨主要因素。

Such results are gotten: (1) Due to the unique topography the wind of Beijing area during the day time is southern anabatic wind and in the night is northern katabatic wind in summer.

(1)北京域夏季边界层风场受西北特殊形影响,夜间低层大气流场常表现为由北向南下坡风,白天逐渐转为由南往北上坡风。

The thalweg in loess hill area is an important terrain structural line, reflecting topography and landform character.

黄土丘陵区的沟沿线,是反映该区形征的重要的形结构线。

Guangzhou is the rainstorm pilosity city of China.The climate, weather system, geographical position and topography are main factors of the rainstorm.

摘要广州是中国的暴雨多发城市，气候、天气系统、理位置及形是形成暴雨的主要因素。

Such results are gotten: (1) Due to the unique topography the wind of Beijing area during the day time is southern anabatic wind and in the night is northern katabatic wind in summer.

(1)北京区域夏季边界层场受西北殊形的影响,夜间低层大气流场常表现为由北向南的下坡,白天逐渐转为由南往北的上坡。

The thalweg in loess hill area is an important terrain structural line, reflecting topography and landform character.

黄土丘陵区沟沿线,是反映该区貌特征重要结构线。

Guangzhou is the rainstorm pilosity city of China.The climate, weather system, geographical position and topography are main factors of the rainstorm.

摘要广州是中国暴雨多发城市，气候、天气系统、理位置及是成暴雨主要因素。

Such results are gotten: (1) Due to the unique topography the wind of Beijing area during the day time is southern anabatic wind and in the night is northern katabatic wind in summer.

(1)北京区域夏季边界层风场受西北特殊影响,夜间低层大气流场常表现为由北向南下坡风,白天逐渐转为由南往北上坡风。

The thalweg in loess hill area is an important terrain structural line, reflecting topography and landform character.

黄土丘陵区线,是反映该区地形地貌特征重要地形结构线。

Guangzhou is the rainstorm pilosity city of China.The climate, weather system, geographical position and topography are main factors of the rainstorm.

摘要广州是中国暴雨多发城市，气候、天气系统、地理位置及地形是形成暴雨主要因素。

Such results are gotten: (1) Due to the unique topography the wind of Beijing area during the day time is southern anabatic wind and in the night is northern katabatic wind in summer.

(1)北京区域夏季边界层风场受西北特殊地形影响,夜间低层大气流场常表现为由北向南下坡风,白天逐渐转为由南往北上坡风。

The thalweg in loess hill area is an important terrain structural line, reflecting topography and landform character.

黄土丘陵区的沟沿,该区地地貌特征的重要的地结构。

Guangzhou is the rainstorm pilosity city of China.The climate, weather system, geographical position and topography are main factors of the rainstorm.

摘要广州中国的暴雨多发城市，气候、天气系统、地理位置及地成暴雨的主要因素。

Such results are gotten: (1) Due to the unique topography the wind of Beijing area during the day time is southern anabatic wind and in the night is northern katabatic wind in summer.

(1)北京区域夏季边界层风场受西北特殊地的影响,夜间低层大气流场常表现为由北向南的下坡风,白天逐渐转为由南往北的上坡风。

The thalweg in loess hill area is an important terrain structural line, reflecting topography and landform character.

黄土丘陵区的沟沿线,是反映该区貌特征的重要的结构线。

Guangzhou is the rainstorm pilosity city of China.The climate, weather system, geographical position and topography are main factors of the rainstorm.

摘要广州是中国的暴雨多发城市，气候、天气系统、理位置及是成暴雨的主要因素。

Such results are gotten: (1) Due to the unique topography the wind of Beijing area during the day time is southern anabatic wind and in the night is northern katabatic wind in summer.

(1)北京区域夏季边界层风场受西北特殊的影响,夜间低层大气流场常表现为由北向南的下坡风,白天逐渐转为由南往北的上坡风。

The thalweg in loess hill area is an important terrain structural line, reflecting topography and landform character.

黄土丘陵区的沟沿线,是反映该区地形地貌特征的重要的地形结构线。

Guangzhou is the rainstorm pilosity city of China.The climate, weather system, geographical position and topography are main factors of the rainstorm.

摘要广州是中国的发城市，气候、天气系统、地理位置及地形是形成的主要因素。

Such results are gotten: (1) Due to the unique topography the wind of Beijing area during the day time is southern anabatic wind and in the night is northern katabatic wind in summer.

(1)北京区域夏季边界层风场受西北特殊地形的影响,夜间低层大气流场常表现为由北向南的下坡风,白天逐渐转为由南往北的上坡风。

The thalweg in loess hill area is an important terrain structural line, reflecting topography and landform character.

黄土丘陵区的沟沿线,是反映该区地地貌特征的重要的地结构线。

Guangzhou is the rainstorm pilosity city of China.The climate, weather system, geographical position and topography are main factors of the rainstorm.

摘要广州是中国的暴雨多发城市，、系统、地理位置及地是成暴雨的主要因素。

Such results are gotten: (1) Due to the unique topography the wind of Beijing area during the day time is southern anabatic wind and in the night is northern katabatic wind in summer.

(1)北京区域夏季边界层风场受西北特殊地的影响,夜间低层大流场常表现为由北向南的下坡风,白逐渐转为由南往北的上坡风。