Under the driving force resulted from soil water environment change, artificial vegetation system also evolved.
在土壤水环境变化的驱动下，人工植被系统发生了一系列的演替过程。
Therefore, more efforts should be laid on the improvement of soil water environment while following the principle of "selecting suitable tree species for sites" in planting.
因此，在以适地适树原则适应土壤水分环境的同时，应加强土壤水分环境的改善。
Afforestation by water-harvesting improves the soil water environment in forest owing to increase of runoff volume collected in the planting strip, so that the productivity of forests is influenced.
集水造林通过增加植树带汇流量改善了林地土壤水分环境，从而影响到林分物质生产水平。
It was China's first Mars program to make scientific researches about the soil, environment, atmosphere, water and so on.
这是中国第一个对土壤、环境、大气、水等进行科学研究的火星计划。
"We have nutrients in the soil, energy sources, and if there was liquid water five millions years ago, we're getting close to an environment where life could live," says Smith.
史密斯先生说，“我们发现土壤中含有营养物质，能源，如果500万年前存在水，我们就接近于发现一个可能存在生命的环境。”
Subsequent sections discuss the behaviour of organic chemicals in the environment and environmental transfer between compartments such as air, soil and water.
随后的章节讨论环境和车厢环境之间的转移，如空气，土壤和水中有机化学品的行为。
In the arid and poor mountain lands, shrubs are used to conserve soil, water and headwater and to improve ecological environment, which can not be replaced by any tree species.
在干旱瘠薄山地，灌木保持水土、涵养水源、改善生态环境等方面具有乔木树种不可代替的作用。
Language environment is the soil, air and water for the exertion of a language.
语言环境是产生语言的土壤、空气和水。
Every year, we "invent" more than 2,000 new substances, most of them contaminants, which are emitted into the environment and which are consequently present in food, air, soil and water.
每年，我们“发明”出2,000多种新物质，大多数都是污染物，它们被排放到环境中，然后出现在食物、空气、水当中。
Fallen trees also provide bird and animal shelter, increase water holding capacity of the soil, and recycle nutrients back into the environment through decomposition.
倾倒的树木也为鸟类和动物提供了栖息的场所，同时维系了水土，经过议定物质分解，将营养成分循环操纵。
The pollution of the environment includes the air pollution, water pollution, garbage wastes contaminative, the soil pollution is contaminative with the noise pollution.
环境污染包括大气污染，水污染，垃圾废弃物污染，土壤污染和噪声污染。
It's also about controlling light, water, temperature, and soil to create the best environment for plant growth.
同时还要学习光、水及温度和土壤的控制，以为植物创造更好的生长环境。
He says our whole civilization depends on the environment - on clean air, water, soil and food.
他说我们整个文明依赖于环境——洁净的空气，水源，土地和食物。
Water and soil erosion is one of the prominent ecological environment problems of Haihe River Basin.
水土流失是海河流域较为突出的生态环境问题之一。
The impact of this accident on atmosphere, water and soil environment of this area was analyzed according to emission of pollutant and local climate and hydrological conditions.
笔者根据污染物排放情况以及当地的气候、水文等条件分析了井喷事故对该地区大气环境、水环境和土壤环境所造成的影响。
At present, there is water and soil running off in the main environment geology problem of soil factor.
目前土壤因子出现的主要环境地质问题有水土流失、盐碱化、土壤污染。
A given district's system condition may be expressed as taking degree of mankind's farming behavior extent to the key element the agricultural water and soil environment.
某区农业水土环境系统的状态可由人类农事活动对农业水土环境要素及其构成类型的进占程度描述。
In the south of loess plateau, soil water properties are excellent and crops have a prop-er water environment.
黄土高原南部土层深厚疏松，质地中壤，土壤水分性质优良，作物具有良好的水分生态环境。
The adsorbed phosphorus loss is one of the adverse effects of soil erosion, which results in not only the degradation of soil fertility, but also the deterioration of water environment.
吸附态磷流失是土壤侵蚀的结果之一，不仅造成土壤肥力流失，还是导致水环境恶化的重要因子。
Construction of ecological environment forest, urban protection forest, water and soil conservation, production and comprehensive utility and development of nursery stock.
生态环境林、城市防护林建设，天然林资源保护，水土保持，林业苗木生产及综合利用开发等。
The Soil water and the solute transport are a hotspot in the research of the soil-water environment, and it is the problem that has no better solutions.
土壤中水分和溶质运移一直是土壤-水环境系统中的研究热点，也是目前仍未得到很好解决的问题。
The structure of macropore plays an important role in water flow and solutes transport in soil, and influences the environment of underground water.
土壤大孔隙结构对土壤中水流及溶质运移以及地下水环境有着深刻影响。
That fast - growing forestry in desert can fixup sandbank and meliorate soil, improve environment and prevent waste water from flowing into river.
在沙漠利用污水灌溉速生林，可固定沙丘，改良土壤；改善生态环境，实现污水零排放。
So the epidemiological surveil-lance of Legionnaires' disease in animals, as well as in environment (water and soil)is of importance for the prevention inman.
对动物和外环境进行军团病的流行病学监测，对于防止人患军团病具有一定的意义。
Grassland vegetation plays active and important role in conserving soil and water, particularly in the eco-environment construction on Loess Plateau.
草本植被具有积极的保持水土的作用，在黄土高原生态环境建设中具有不可替代的作用。
It not only causes the waste of fertilizer and water, but also declines the quality of fruits, and deteriorates the soil environment.
过量的施肥和灌水不但造成水、肥浪费，而且使果实品质下降，土壤生态环境恶化。
Therefore, soil and water conservation measures on water resources and water environment impact study have been imperative.
因此，进行水土保持措施对水资源与水环境的影响研究已经势在必行。
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 used disinfectants and detergents shall conform to the environmental protection requirements, and avoid causing pollutions to the soil, water resources, environment, etc.
使用的消毒剂、清洗剂应当符合环境保护要求，避免对土壤、水资源、环境等造成污染。
The used disinfectants and detergents shall conform to the environmental protection requirements, and avoid causing pollutions to the soil, water resources, environment, etc.
使用的消毒剂、清洗剂应当符合环境保护要求，避免对土壤、水资源、环境等造成污染。
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