Experts at the us Environmental Protection Agency (EPA) in Washington claim that the world is braced for an increase in outbreaks due to global warming and changes in land use and farming practices.
华盛顿美国环境保护署(EPA)专家宣称，由于全球变暖以及土地利用和农耕方式的改变，世界将迎来日益恶化的疾病蔓延。
The results show that the major reason for the land degradation is constant aridity such as shortage of rain, excessive use of land, and shortage of protection measures in dry seasons.
结果表明，土地退化的主要原因是近年持续干旱少雨，土地利用的强度过大，以及在干旱季节里没有适当的防护措施等。
This dissertation holds the objective of land sustainable use in the process of urbanization mainly focused on two aspects: farmland protection and structure optimization.
结合城市化进程的特殊研究背景，本文认为城市化进程中土地持续利用的研究目标主要有两个方面：农地保护与结构优化。
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