... proportionate area by age class 龄级比例轮伐面积 protection forest system 防护林体系 protection forest 防护林 ...
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... 防护林带 shelter forest belt; (forest) shelterbelt; 防护林体系 shelterbelt networks; 防护林业 protection forestry; ...
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I am on a holiday and just wanted to find someone » 我在度假，只是想找人 foreet » 防护林体系 Noise is harmful to human's health. » 噪音是有害的,人类的健康。
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陕西三北防护林体系建设工程是国家在陕实施的六大林业重点工程之一。
Shaanxi Provincial "Three-North Protection Forest System" development was one of the Six Key Forestry Programs in Shaanxi implemented by the State.
用地转偏差方法估算辽宁省彰武县农田防护林体系的区域性防风效应，平均值为14％；
Regional wind protective effect of farmland windbreak system in Zhangwu county were calculated by geostrophic deviation method. The average effect is 14%.
指出构建并科学经营多树种合理配置的防护林体系是控制防护林杨树天牛灾害的根本措施。
Construction and scientific administration of the shelter forest system while rationally allocating different tree species is the fundamental measure to control the PLB disasters.
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