Reasons of the slow economic development in the provincial border areas include: natural geographical factors, systematic reasons, and transportation elements.
省际边境地区经济发展缓慢主要是由：自然地理因素、体制因素、交通因素造成的。
Drought, low production and population expansion are important causes of the eco environment worsening and slow economic development in the dryland of Southern Ningxia.
干旱、低产、人口膨胀，是造成宁南山区生态环境恶化和经济发展缓慢的重要原因。
The composite material production are of great economic and social benefits, also slow down the speed of development of natural resources.
复合材料的生产带来了巨大的经济效益和社会效益，也减缓了对自然资源的开发速度。
First, economic development should not slow down.
第一，经济不能滑坡。
A big city among those directly under Hunan Provincial Government, Shaoyang is slow in economic development and backward in urbanization.
邵阳市是湖南省辖市中的一个大市，但又是一个经济欠发达、城市化水平落后的市。
A big city among those directly under Hunan Provincial Government, Shaoyang is slow in economic development and backward in urbanization.
邵阳市是湖南省辖市中的一个大市，但又是一个经济欠发达、城市化水平落后的市。
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