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economic forest中文是什么意思

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用"economic forest"造句"economic forest"怎么读"economic forest" in a sentence

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  • 经济林

例句与用法

  • Economic forests are also doing service to ecological equilibrium
    经济林同样也为生态平衡作出了贡献。
  • Study on soil hydraulic effect of economic forest in huangqian reservoir area
    黄前库区经济林土壤水文效益研究
  • A study on function of economic forest on water resource conservation in reservoir area
    库区主要经济林水源涵养功能分析
  • Analysis of resistance to sulfur dioxide and nitrate dioxide of economic forest seedling
    经济树种苗木对二氧化硫和二氧化氮的抗性分析
  • Zeng yanru . economic forest production and non - timber forest product certification
    曾燕如经济林生产与非木质林产品认证2003全国经济林产业
  • Gingko garden covering over ten thousand mu was praised high by economic forest expert of un
    园林式的万亩银杏园受到联合国经济林专家的高度评价。
  • Proceedings of 2003 national seminar on strategy for the development of economic forest industry zeng y r , huang m r , wang m x . snp a new molecular marker
    曾燕如黄敏仁王明庥一种新的分子标记-单核苷酸多
  • The yaos grow paddy rice and maise as the main crops and simultaneously cultivated such economic forest as china fir , bamboo and oil - tea camelia
    由于居住的地方自然条件不同,瑶族的社会经济发展极不平衡。大部分从事农业生产,兼营林副业,以自给自足的自然经济为主。
  • Soil nutrient and soil granule of ecological economic forest in different times are studied . research results indicate that ecological economic forest contributes to improving soil nutrient and soil granule
    摘要对生态经济林在不同时期的土壤养分及其颗粒变化情况进行了研究,结果表明,生态经济林对改善土壤养分和土壤颗粒状况具有积极的促进作用。
  • The productive biological assets refer to the biological assets held on the purpose of producing agricultural products , rendering labor services , renting , and etc . , consisting of the economic forests , fuel forests , productive livestock , draught animals , etc
    生产性生物资产,是指为产出农产品、提供劳务或出租等目的而持有的生物资产,包括经济林、薪炭林、产畜和役畜等。
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