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forest engineer
相关语句
  相似匹配句对
     forest .
     林。
短句来源
     The Forest Sports
     森林里的运动会
短句来源
     The Engineer's Hand
     工程师之手
短句来源
     The Engineer in Industry
     工业工程师
短句来源
     Current Status and Development Prospects in Genetic Engineer of Forest Ttee
     林木基因工程研究现状与展望
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  forest engineer
Prior to forming his own company, he worked 5 years as a Forest Engineer in Union Camp's R>amp;D Department.
      


Forest engineers have long known how to estimate construction costs of a logging road, but operating costs of log trucks can not be well quantified before the road is built. The text provides tools for quantifying two main components of operating costs, travelling time and fuel consumption, in comparisons between a.few alternatives of logging roads.

林道工程师早就知道如何估算运材道路的建筑费用,但在道路建成之前,却无法很好地预估道路建成之后的车辆运营费。本文阐述了如何在线路方案比较中,考虑运营费的两个主要部份——运行时间及燃油消耗。文中数据是作者在留学新西兰期间的实测数据,但所阐述的基本方法则是任何国家都可采用的。

The moisture holding function of ecological system in afforested and livestock breeding area of Yili region influenced by animal husbandry productive activity has clearly drop and especially whole quality and ecological function of mountainous region's natural forest resources are synchronistic in dropping trend.The ecological construction key point of Yili region should put on mountainous region's natural forest distributed district.Protection and further developing mountainous area's natural forest resources...

The moisture holding function of ecological system in afforested and livestock breeding area of Yili region influenced by animal husbandry productive activity has clearly drop and especially whole quality and ecological function of mountainous region's natural forest resources are synchronistic in dropping trend.The ecological construction key point of Yili region should put on mountainous region's natural forest distributed district.Protection and further developing mountainous area's natural forest resources is a key content of Yili region's ecological industry development.Greatly constructing mountainous area's planted forest is the most effective measures of pretection and developing mountainous area's forest resources under the present condition.Every year constructed mountainous area's planted forest is not less than 03×10~4hm~2,it can basically keep mountainous area's forest ecological system stable in total amount of resources and ecological efficiency and them it can retain good ecological environment of Yili region of the past.The article proposes that people's Government of Xinjiang Uygur Autonomous Region should continuously start implementation of re-constructing mountainous area's forest engineer with harge scale in Tianshan and Aertai Mountains.

伊犁地区林牧区生态系统的保水功能受到畜牧业生产活动的影响已明显下降,尤其是山地天然林资源的生态总体质量和生态功能都同步处于下降趋势。伊犁地区的生态建设重点应放在山地天然林分布区。保护和大力发展山地天然林资源是伊犁地区生态产业发展的核心内容。大力营造山地人工林,是目前条件下保护和发展山地森林资源的最有效手段。每年营造山地人工林不少于0 3×104hm2,才能够基本保持山地森林生态系统在资源总量和生态效能上的稳定,才能够基本维持伊犁地区以往良好的生态形象。建议自治区人民政府继续启动实施天山、阿尔泰山百万亩山林再造工程。

 
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