用材林
- timber forest;commercial forest
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川西山区是四川最大的用材林基地,也是我国主要木材产区之一。
Western Sichuan 's mountain region is the largest commercial forest base in Sichuan province and also one of the important timber areas in China .
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讨论分析了黑龙江森工林区作为国家用材林基地的可持续发展问题。
The sustainable development of Heilongjiang forest industrial region of the national commercial forest base was analyzed in this paper .
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多功能用材林周边大气SO2和NOx的变动规律研究
Studies on dynamic pattern of atmospheric SO_2 and NO_x around muti-functional timber forest
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油松(PinusTabulaeformisCarr.)在我国分布广泛,也是北方营造水源涵养林、水土保持林及用材林的主要树种之一。
Pinus tabulaeformis Carr . is a widespread main wood species in China , used for soil and water conservation forest in north of China .
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在我国,杨树(populus)的栽植遍及全国各地,是我国用材林、防护林和四旁绿化林的主要树种。
In our country , poplar ( populus ) of planting throughout the country , is timber , shelterbelts and afforestation major forest tree species .
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本文以用材林林木资产评估为主要研究对象,采用VPN技术和数字签名技术,研制了远程森林资源资产评估软件。
This paper with timber forest for the main research object , adopt the VPN technique and the digital signature technique , to develop the remote forest resources assets valuation software .
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该专家辅助系统在用材林小班评估及总体评估基础上首次采用时新先进的Delphi语言及ADO数据库访问技术构建专家辅助系统。
For the first time , the Specialist-aided system was constructed by Delphi and the ADO database access technology in the foundation of the timber forest subcompartment evaluation and rate average evaluation .
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通过对模型拟合,采用最佳造林密度模型求得I-69杨胶合板用材林造林密度为小于286株/hm2。立地指数小于等于16m的立地不宜用于营造胶合板用材林。
Through fitting the model , planting density of plywood timber forest of poplar clone I-69 should be not more than 286 trees per hm 2 . The land with site index not more than 16m is not suited to management of plywood timber forest .
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通过绿色植物生长调节剂(GGR)在造林上应用的试验研究与分析,对主要用材林及经济林树种提出了应用方法与技术。
The results of experiments and analysis of Green plant Growth Regulator ( GGR ) applying in forestation showed that GGR had notable effects of raising survival rate and promoting growth both aboveground and underground parts .
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马尾松胶合板用材林生长的密度效应
Study On Density Effects of Forest Growth for Masson Pine Plywood
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黑龙江省纸浆用材林发展前景
Development Prospects of Pulp - Paper Timber Forests in Heilongjiang Province
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重点地区速生丰产用材林基地建设工程。
Fast-Growing and High-Yielding Timber Base Construction Program in Key Areas .
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我国木材工业及其用材林的生态经济效益
Ecological Economy Benefits from China Wood Industry and Its Timer Forest
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培育大径级珍贵用材林种苗基地建设的可行性
Feasibility in Construction of Base for Cultivating Larger-sized Precious Timber Seedlings
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国外松工业用材林高效集约栽培模式
High-efficiency Intensive Culture of Industrial Timber Forest of Exotic Pines
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人工工业用材林整枝机器人无线电遥控系统的研制
Development on Wireless Remote Control System of Pruning Robot of Commercial Plantation
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21世纪中国纸浆用材林综合发展战略
Comprehensive Silviculture and Development Strategies for Pulpwood Plantation in China
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生态公益林和商品用材林培育技术之比较
Cultivating Technique of Non-commercial Forests and Commercial Timber Production Forests
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嫩江沙地杨树用材林生产力的研究
Study on the Productivity of Poplar Timber Forest in Nenjiang Sandy Land
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大青杨胶合板用材林优树选择效果的评价建筑材料评价委员会
Evaluation of plus tree selection of Populus ussuriensis in plywood timber forest
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人工用材林木材产量经营模拟研究
Study of Simulating Management of Timber Output of Timber Plantation
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用材林规划与投资决策方法研究
Studies on the Methods of Timber Forest Planning and Investment Decision Making
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低产用材林改造的调查研究
Investigation and Study on Transformation of Low Yield Timber Forest
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南方型杨树工业用材林经营模型系统PMOES的建立
Establishment of a silviculture model system for Southern Type poplars Industrial Plantation
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贵州省黔东南州用材林资源资产评估
Asset Assessment of Commercial Timber Forest Resources in Qiandongnan Prefecture
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福建省商品用材林发展对策研究
Study on the Development Countermeasure for Commercial Forest in Fujian
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用材林资产评估中市场比较法的改进及案例分析
The Improvement of Market Comparison Approach and Case Studies in Timber Assets
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基于物质减量化原则的人工用材林采伐利用
Logging and Utilization Commercial Plantation Based on Dematerialization Principles of Industrial Ecology
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杨树短周期纤维板工业用材林定向培育研究
Study on Oriented Cultivation of Industrial Timber for Short-period Fiberboard of Poplar
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杨树新品种及其工业用材林栽培模式研究
Fine Cultivar of Poplar and Its Cultivation Pattern for Industrial Wood Forest