• 陕西三北防护林体系建设工程国家实施林业重点工程之一

    Shaanxi Provincial "Three-North Protection Forest System" development was one of the Six Key Forestry Programs in Shaanxi implemented by the State.

    youdao

  • 用地转偏差方法估算辽宁省彰武县农田防护林体系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%.

    youdao

  • 指出构建科学经营树种合理配置防护林体系控制防护林杨树天牛灾害根本措施

    Construction and scientific administration of the shelter forest system while rationally allocating different tree species is the fundamental measure to control the PLB disasters.

    youdao

  • 风沙危害影响河西走廊农业生产主要自然灾害治理风沙危害的主要措施营造防护林体系

    Wind-sand damage is a major natural calamity affected agricultural production in the HexiCnrridor. A main measure to administer wind-sand damage is afforestation of protection forest sys-tem.

    youdao

  • 在对头小流域山地系统特征了解基础,探讨了该区域山地防护林体系结构调整配置方式营建技术

    Based on the research of mountain system characteristics of Toutang small watershed, the integrated techniques on structure adjustment, allocation model and construction were studied.

    youdao

  • 三北防护林体系工程项宏伟的千秋工程,她不仅中国生态环境建设伟大创举也是全球生态环境建设重要组成部分

    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.

    youdao

  • 首先依据干扰理论本文分析构建广东省沿海防护林效益实现的干扰体系

    Firstly, according to interference theory, the paper constructs a interference system which sets back to achieve effectiveness of Guangdong coastal protection forest.

    youdao

  • 首先依据干扰理论本文分析构建广东省沿海防护林效益实现的干扰体系

    Firstly, according to interference theory, the paper constructs a interference system which sets back to achieve effectiveness of Guangdong coastal protection forest.

    youdao

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