In 1978, China began a nationwide tree-planting programme known as the Three North Shelterbelt Forest Programme, also known as "the Great Green Wall".
1978年，中国开始了一项全国性的植树计划，即三北防护林计划，也被称为“绿色长城”。
The shelterbelt kept the sand in check.
防护林带挡住了风沙。
Soil water storage of farmland shelterbelt region increases 2.2% than CK in growing season.
农田林网区土壤贮水量在生长季总体上比林网外对照提高2.2%。
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。
In arid region oasis, the main corridor landscape types include river, ditch, shelterbelt and road.
干旱区绿洲内主要廊道景观类型包括河流、水渠、田间防护林和公路等。
The design and efficiency of drip irrigation on sandy land shelterbelt were systematically summed up.
本文就沙地防护林滴灌系统的设计及效益进行了较系统总结。
Through the field investigation, relationships between shelterbelt structure and crop yield were discussed.
农防林的结构特征与作物产量关系密切。
According to the survey data, the satisfaction from peasants on the Yangtze River shelterbelt project was very high.
结果显示，农户对长江防护林工程建设的满意度很高。
The analysis of yield and quality of crops indicated that the sheltering range of shelterbelt net was 25 times tree height.
作物产量和质量分析表明，林网的防护范围为25倍树高。
Tall California cypress endemic on monterey bay; widely used for ornament as well as reforestation and shelterbelt planting.
蒙特·里杰克湾的地方树种，是一种高大的加州柏木；用于装饰、重新造林和建造防护林。
The ecological effect of the orchard-shelterbelt model is better than that of the orchard model in the gental sloping fields.
坡地人工植被的生态效益防护林—桔园模式优于无防护林桔园模式。
The preserving rate of A. crassicarpa is higher and the growth is quicker in the regeneration of the coast trunk shelterbelt of Casuarina equisetifolia ;
在海岸木麻黄基干林带更新中，厚荚相思保存率高，生长迅速；
The results show that, the whole protection area is composed of primary area leeward shelterbelt from 2.5H to 19H and second area windward shelterbelt within 3.5H.
结果表明，林带背风面2.5~19H范围内形成的风速降低区，是林带主要保护区和作用范围。
At 10 am, at Gimhae brothers came to the shore off-duty stroll on the beach, all of a sudden, a man and a woman violent quarrel in the sound came from the shelterbelt.
上午10时许，于金海兄弟俩休班来到岸边沙滩上溜达，突然，一对男女激烈的争吵声从防护林里传来。
Site level in Hexi-corridor area was divided into 4 types by comprehensive analyzing the growing stock of stand and soil productivity of all kinds of farmland shelterbelt.
通过对各土类农田防护林林分蓄积生长量和土壤生产力的综合分析，把河西走廊立地级划分为四类。
Evaluating the reasonability, stability and durability of shelterbelt landscape based on the theories and methods of landscape ecology was an important task in the future studies.
评价农田防护林景观的合理性、稳定性、持续性，是今后的重要研究方向。
A medium-thick shelterbelt can reduce wind velocity by more than 10 percent to a distance of 20 times the tree height on the leeward side and three times the height to the windward.
中等厚度的防风林在背风侧可在20倍于树高的距离而在迎风侧则在3倍于树高的距离上减小风速10%以上。
In the upper layer, there are the blocking speed-down zone inter-belt, the whirling speed-down zone behind the belt, the conflux accelerating zone just behind the top of shelterbelt.
在林带上部，有林带间的阻滞减速区和林带后的涡旋减速区，在林带顶后部有集流加速区。
Poplar is the important tree species for shelterbelt and timber forest in our country. However, rapidly and fiercely-spreading by disease and pest has led to tremendous economic losses.
杨树是我国重要的防护林和用材林树种，但病虫害的迅猛发展造成了巨大损失。
Additionally, investigations on shelterbelt trees were carried out, and stem-analysis techniques were used, to develop a method for determining the mature height of tree windbreaks (H0).
另外，通过对林带树木的野外调查，应用树木解析技术确定林带成林高(H 0)。
Finally the paper analysis and verify the good benefit of the construction of coastal shelterbelt protection from two aspects of comprehensive protection and Impact of human disturbance.
从而从综合防护效益和人为干扰影响两个角度，共同分析、验证了沿海防护林工程建设的良好防护效益。
Noted as a great splendid program, the three north shelterbelt program is not only a pioneering work in China's eco-construction, but also the important part of national eco-construction.
三北防护林体系工程是一项宏伟的千秋工程，她不仅是中国生态环境建设的伟大创举，也是全球生态环境建设的重要组成部分。
Noted as a great splendid program, the three north shelterbelt program is not only a pioneering work in China's eco-construction, but also the important part of national eco-construction.
三北防护林体系工程是一项宏伟的千秋工程，她不仅是中国生态环境建设的伟大创举，也是全球生态环境建设的重要组成部分。
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