水土

Due to the destruction of forest vegetation in Western China, the soil and water losses, and the aeolian sand are very grave.

西部由于森林植被的破坏，水土流失和风沙非常严重。

By using thistechnique, the objectives to protect slope,to control soil and water loss and to afforest environment have been achieved.

并分析了水力喷草技术在水土保持中推广和应用的前景。

Highway afforestment and soil and water conservation is a new problem of road afforestment.

高速公路的绿化和水土保持是公路绿化的新课题。

Soil erosion is one of the most important ecological environment problems in our country, which results in land resource destroy, soil degradation, land productivity decrease, water pollution, river and water storage works aggradation, flood, avalanche, mudrock flow and menace to the life and wealth of people, and so on.

土壤侵蚀问题是目前我国面临的主要生态环境问题之一，严重的水土流失不仅破坏土地资源、降低土壤肥力、制约粮食生产增长，还污染水环境、淤积河道和蓄水工程，导致洪水、崩塌和泥石流等灾害频繁发生、威胁人民的生命财产等。

To improve the purple soil storage capacity, to prevent soil erosion in hunan province, the choice of HengYangXian 20o purple soil slope, setting Guan waste land, grassland, natural forest and grassland and agrimony slight composite 4 processing, the water treatment performance and its mechanism, and the results show that, compared to the purple soil LuoDe HuangShanPo ground implement agrimony and three-dimensional planting trees for 1-2 years later, reduce soil bulk density 0.10 g/cm3 0.09 ~, soil porosity, permeability of soil moisture 14.01% increase rate increase 2.20 ~ 2.29 times.

为提高紫色土蓄水能力，防止水土流失，在湖南省衡阳县选择20o 左右的紫色土荒山坡地，设置祼地、自然草地、龙须草地和龙须草与林地复合4 个处理，比较分析各处理贮水性能及其改良机理。结果表明，与裸地相比，在紫色土荒山坡地上实行龙须草与林木立体种植1～2 年后，土壤容重降低0.09～0.10g/cm3，土壤总孔隙度增加14.01%，土壤水分渗透速率提高2.20～2.29 倍。

The work here will make on further understand of the study of mechanisms and motion models of water-heat exchange, and will be of great value of research on the consideration of problems related to hydrology, soil corrosion, water and soil conservation, agrology, agricultural irrigation, and so on.

该研究为土壤中水热交换机制和运动模型的进一步的研究提供参考，对水文学、土壤侵蚀和水土保持、土壤学、农业灌溉等相关问题的研究有着一定参考价值

The policy is meant in part to improve air and water quality in China.

这一政策出台的目的之一在于改善中国的空气和水土质量。

Conservation type agriculture ; sustainability evaluation model ; evaluation index system ; Analytic Hierarchy Process

水土保持型生态农业；可持续性评价模型；指标体系；层次分析法

This connection of land and water with culture is one of the basic points of view of modern anthropology.

这种将"水土"与"文化"互为因果的说法，正是当代人类学最基本的观点之一。

With the quickening of urbanization and industrialization,the antinomy between resources' supply and demand has become more and more seriously.

随着浙江省城市化、工业化进程的加快，自然资源特别是水土资源的紧缺，已对全省经济和社会的可持续发展构成严重威胁。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。