The dry weather of the Northwest China is a background factor of ecological environment change, we shouldn't neglect it.
当然西北地区的干旱气候是环境变迁的背景因素，我们不应忽视它。
That water is the key factor of ecological environment being changed was demonstrated by citing a great deal of materials.
引用大量事实比较全面的阐述了引起生态环境变化的关键因素是水。
The water is the foundational natural resource and the strategic economical resources, and it is the essential factor of ecological environment.
水是基础性的自然资源和战略性的经济资源，是生态环境的控制性要素。
Improving forest resources quality is the critical factor of solving supply of forest resources and the problem of ecological environment deterioration.
森林资源质量的提高是解决我国林木资源供给不足、生态环境恶化的决定性因素。
Ecological environment has converted from the essential factor of human existing from the single meaning to an economical element of social significance.
生态环境已经从单纯意义上的人类生存要素转变为社会意义的经济要素。
Improving forest resources quality is the critical factor to solve the problem of under-supply of forest resources and ecological environment deterioration in China.
森林资源质量的提高是解决我国林木资源供给不足、生态环境恶化的决定性因素。
Improving our forest resources quality is the critical factor to solve under supply of our forest resources and the problem of deterioration of ecological environment.
森林资源质量的提高是解决我国林木资源供给不足、生态环境恶化的决定性因素。
The crux of prevention and control of jujube witches broom was to find out the leading factor of causing the disease in the light of local ecological environment and to take appropriate measures.
对于枣疯病的防治，关键是能够根据当地病害发生的生态条件，从中找出致病的主导因素，并有针对性地采取相应的防病措施，完全可以控制枣疯病害的发生和流行。
Soil moisture is the main factor of plant growth, vegetation restoration and ecological environment. It's a very important significance to research soil water movement and translation.
土壤水分是植物生长、植被恢复和生态环境建设的主要制约因素，研究其运动与转化规律具有重要的现实意义。
The present situation of ecological environment in China and analysis of contributing factor are discussed. Some practical suggestions are put forward.
论述了中国生态环境的现状，同时对形成现状的原因作了系统的分析，对保护中国生态环境提出了可行性建议。
In the arid area of Northwest China, the whole ecological environment is very vulnerable, and water is an important factor for the sustainment of the oasis ecological environment.
在西北干旱地区，整个生态环境非常脆弱，而水又是维系绿洲区生态环境的重要保证。
In the arid area of Northwest China, the whole ecological environment is very vulnerable, and water is an important factor for the sustainment of the oasis ecological environment.
在西北干旱地区，整个生态环境非常脆弱，而水又是维系绿洲区生态环境的重要保证。
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