The treatment of wastewater of Dunhuang oil base and the irrigation of wastewater from the shelterbelt were eleberated.
阐述了敦煌石油基地的污水处理情况以及防护林的污水灌溉情况,重点对污水灌溉防护林带区域的土壤进行了分析,考察了污水灌溉对土壤的影响。
Effect of enclosure and shelter belt on soil physicochemical properties of desertified meadow;
防护林带和封育对沙化草场土壤理化性质的影响
The shelterbelt kept the sand in check.
防护林带挡住了风沙。
The shelter belt halted the soil erosion.
防护林带防止了水土流失。
Efficient Protection Distance and Area of Farmland Protective Forest in Karamay
克拉玛依农田防护林带的有效防护距离与面积研究
These tree belts effectively protect the farmland against shifting sand.
这些防护林带有效地保护了农田，使之免受流沙侵袭。
These tree belts protected500000acres of farmland against shifting sand.
这些防护林带保护了50万英亩农田不受流沙侵袭。
These tree belts protect500000acres of farmland against shifting sand.
这些防护林带保护了50万英亩的农田不受流沙的侵袭。
small fast-growing tree native to Asia; widely grown as shelterbelts and hedges.
亚洲土生土长的小而生长快的树，；作为防护林带和围栏而广泛种植。
Abstract: The park design is about the renovation and enlargement based on an old shelterbelt in the suburb.
这是一个依托城郊老旧防护林带进行更新扩建的公园设计。
large spiny shrub of eastern Asia having clusters of yellow flowers; often cultivated in shelterbelts and hedges.
产于亚洲东部的一种大的多刺灌木，具有黄色的花簇；常栽培为防护林带和绿篱。
Study on Evaluation and Selection of Tree Species for Costal Protection Forest in Hangzhou Bay;
杭州湾海岸带防护林植物材料评价和选择研究
Water Ecological Characteristics of Casuarina Equisetifolia Protection Forest in Fujian Coastal Area;
福建海岸带木麻黄防护林水分生态的初步研究
Study on water conservation function of protective forest in watershed of farming-pastoral zone
农牧交错带小流域防护林水源涵养功能研究
Experiment in Wind Tunnel on the Sheltering Effect of Forest Belts at Front of the Dunhuang Mogao Grottos
敦煌莫高窟窟前林带防护效应的风洞实验
Application of the Digitized Measurement on Windbreak Porosity of Farmland Shelter-forests;
农田防护林林带疏透度数字化测定方法及其应用
Heavy Metals Pollution in Roadside Soils and Portective Effect of Plant Barriers along Expressway;
高速公路路旁土壤重金属污染及林带防护效应分析
Investigation and Selection on the Optimal Configuration Mode of the Coastal Protective Forest
海岸带木麻黄防护林经营模式的配置研究与筛选
(British) a copse that shelters game.
（英国）防护用的灌木林。
shielded ball bearing
带防护垫圈的滚珠轴承