查询词典 water and soil

In order to provide the visual information for synthetical management of water and soil conservation, this research hotlinks the attribute of terrain and vegetation to transportation area and sedimentation area through graph database、 erosion database and GIS.

为了给水土保持部门综合治理提供可视化信息，本研究通过建立图形数据库、侵蚀量数据库，借助地理信息系统（ArcView 3.2）将实际地形及植被等属性与侵蚀量的沉积区、搬移区域图形斑块进行热链接。

Air, water and soil pollutants (S7)Canalization, commercial development and pollution have resulted in a loss of aquatic biota and bankside vegetation in the lower reaches of many rivers.

环境关系开凿运河、商业开发和污染造成了许多河流下游水生生物和河岸植被的减少，湿地被用于农业，变成了农田和牧场。

The rational use of water and soil resources is the most important things which make the regional economy develop continuedly and keep the ecotope benignly circle.

水土资源的合理利用是保证一个地区经济持续发展、保持生态环境良性循环的基础。

Therefore corresponding pesticide management practices and water and soil losses prevention and cure measures were good for the water quality controlling. Fertilizer utilization, logging and steeper topographty of woodland which vulnerable to corrasion, excessive feed for fishery, stock raising waste, living pollution and the layout of industry caused the change in nitrate concentration.

硝酸盐氮的变化主要来源于农业上化肥的使用、林业采伐引起水土流失的增加和林地本身坡度较大易于引起水土流失、渔业饵料的过度投放、养殖业畜禽废弃物的排放、生活污染的排放和工业生产布局（区别与工业产值密度的相关性，工业产值则更倾向于工业布局对水质的影响）。

The latter considers two cases: piping or flowing sand caused by free water and soil heave caused by artesian water.

后者分别研究自由水引起的管涌及承压水产生的土基隆起两种情形。

At the present,eco-environment in the wetland of the downstream of Yellow River is deteriorated with the agricultural and industrial water diversion,sewage drainage,farmland reclamation,water and soil erosion,immoderacy hunting and fishing.

当前，因工农业采水、排污、围垦、破坏水土、引黄淤地、过度狩猎和捕鱼等造成黄河下游湿地生态环境趋于恶化。

Miyun reservior is the most primary water supply source in Beijing, water and soil loss in the upper reaches has important influence on ecological safety in capital area.

密云水库是北京市最主要的供水水源，上游地区的水土流失对于首都地区的生态安全具有重要影响。

Compared with point sources, Non-point sources are usually that various lashed pollutants which move and transfer with water and soil to acceptive water body because of storm's dynamic action and surface runoff.

点源是指通过排放口进行集中排放的污染源；非点源，是相对于点源而言的污染源，通常意义的非点源是指由于暴雨的动力作用，地表产生径流，各类污染物质随水土迁移，对受纳水体形成的冲击性污染。

And then analyze the characteristic of a hypaethral quarry and some ecological and environmental impact brought by opencast working. Such as some familiar pollute source, harms brought by opencast working: botanic reakage, water pollution, edaphic reakage, water and soil loss, biomass reduce.

然后对露天采石场的特点以及开采造成的生态环境影响进行分析，如一些常见的污染源，开采造成的危害：植被破坏、水体污染、土壤破坏、水土流失、生物量减少等。

The construction of urban eco-park may cause both the shortage of water resources and serious water and soil loss problems in the city.

中文摘要：城市生态公园营建中存在水资源短缺问题，还可能造成严重的城市水土流失。

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。