防护林带挡住了风沙。
砾石沙障和防护林带间建设人工草地。
Artificial grasslands were established between the gravel sand barriers and tree shelterbelts.
这些防护林带保护了50万英亩农田不受流沙侵袭。
These tree belts protected 500,000 acres of 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 effectively protect the farmland against shifting sand.
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。
The park design is about the renovation and enlargement based on an old shelterbelt in the suburb.
结合库缘植被恢复，建立防止岸坡遭受侵蚀的立体防护林带；
On the base of this, forest shelter belt should be constructed.
本文通过对防护林带的减蚀原理及技术特点的具体阐述，并依据当地风害情况规划防护林带。
The paper expounds the erosion reduction principle and the technical characteristics of protective forest belt, plans the protective forest belt according to the local wind disaster.
本文通过对防护林带的减蚀原理及技术特点的具体阐述，并依据当地风害情况规划防护林带。
The paper expounds the erosion reduction principle and the technical characteristics of protective forest belt, plans the protective forest belt according to the local wind disaster.
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