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林区
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  forest area
    DISCUSSION OF COEFFICIENT α FOR CALCULATION OF TRAFFIC VOLUME IN PAVEMENT DESIGN OF FOREST ROADS IN CHANGBAI MOUNTAIN FOREST AREA
    长白山林区运材公路路面设计交通量计算中的α系数的探讨
短句来源
    NETWORK MODEL OF TRANSPORTATION PLANNING OPTIMIZATION IN FORESTRY BUREAU (FOREST AREA)
    林业局(林区)运输方案优化的网络模型
短句来源
    In this Journal of 1982, the coefficicent α for the calculation of traffic volume in the pavement design of forest roads in Daxingan and Xiaoxingan Mountains forest area was discussed, a precise difinition of coefficient α in the formula n=Qα/α Twas given, and α was called a comprehensive unbalanced coefficient for seasonal traffic volume.
    1982年,在本刊曾对大、小兴安岭林区运材公路路面设计的交通量计算中的α系数进行了探讨,对公式n=(Qα)/(qT)中的α系数给予确切的定义,称α为季节性交通量综合不均衡系数,并建议α=0.8—0.9。
短句来源
    AN APPROACH AND THE DIVISION OF THE SINGLE-LANE OR THE DOUBLE-LANE OF THE HIGHWAY IN THE FOREST AREA
    林区公路单、双车道划分的探讨
短句来源
    Road Snow Damage And Design Consideration In The Northeast Forest Area
    浅谈东北部林区公路雪害及其设计要点
短句来源
更多       
  forest section
    Statement of design quality of road in forest section
    浅谈提高林区公路设计质量
短句来源
    Causation and prevention of road frost heave in forest section
    对林区道路翻浆的原因分类及处治探讨
短句来源
    Design quality of road in forest section is common not high.
    林区公路的设计质量普遍偏低,本文论述了造成这一现象的主要原因是在施工图的设计过程中不按行业标准规定执行;
短句来源
    It has practice signification to raise design quality of road in forest section.
    对提高林区公路勘测设计有一定的现实意义。
短句来源
  “林区”译为未确定词的双语例句
    STUDY ON DESIGN METHOD OF PARTIAL PRESTRESSED CONCRETE BRIDGE AND FEASIBILITY ANALYSIS OF APPLICATION IN FORESTRY REGIONS
    部分预应力混凝土桥梁设计方法研究及在林区应用的可行性分析
短句来源
    RELIABILITY ANALYSIS OF POWER PLANTS IN DAXINGANLING MOUNTAIN FORESTRY AREA
    大兴安岭林区电厂可靠性分析
短句来源
    Analyses And Treatment Scheme Of Boiling And Net - Shaped Cracks Of Deeply Excavated And High Filled Road Section
    深挖方路段及高填方路段翻浆、软弹、网裂原因分析和治理方案——大兴安岭林区公路
短句来源
    SOME PROBLEMS ABOUT THE DESIGN OF THE SIMPLY-SUPPORTED BEAM BRIDGES WITH PRESTRESSED CONCRETE IN FOREST HIGHWAY
    林区公路予应力混凝土简支梁桥设计中的几个问题
短句来源
    THE RESEARCH ON THE CONVERSION AMONG THE AXLE LOADS OF THE TRUCK WITH DOLIBLE-BACK AXLE FOR THE FOREST HIGHWAY
    林区公路双后轴运材车辆轴载换算的探讨
短句来源
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  forest area
There was a negative correlation between the regenerated forest area and annual flow, and thus, forest regeneration would decrease annual flow.
      
The highest quantitative indices of the testacean complexes were revealed in the forest area soils.
      
We found that the alpine musk deer has strong ecological adaptability; the population development of alpine musk deer may benefit from the reduction of the forest area and even from the fragmentation and isolation of the habitat to a certain extent.
      
Intense and long-lasting ENA events have been studied more or less comprehensively and in full detail for Northern Europe, with 60 to 70% of observations taken in a forest area in the presence of snow cover and 10 to 20% in coastal marine areas.
      
It has the largest area of all planted bamboo-over two-thirds of the total bamboo forest area-and the highest economic value in China.
      
更多          
  forest district
Annual production of moss layer in dark coniferous forests of Ket-Chulym forest district (by the example of moss Hylocomium sple
      
Hydrogeochemical characteristics of shennongjia forest district at Songbai Town, Hubei
      
In recent years, the calculus disease occurs occasionally in Songbai Town, Hubei Province, which is the capital of the Shennongjia forest district, and shows a trend of more and more frequent occurrence.
      
Thirty Norway spruce trees (Picea abies (L.) Karst.) from the forest district of the ETH Zurich were tested for bending MOR, static MOE of bending and dynamic MOE (calculated from eigenfrequency and sound velocity).
      
Several individuals of the ambrosia beetleGnathotrichus materiarius Fitch were captured by Pheromone traps ofIps cembrae within stands ofLarix kaempferi andPinus sylvestris in the forest district of Lingen (Emsland).
      
更多          
  forest section
The degree of damage to fir (Abies alba Mill.) and beech (Fagus sylvatica L.) was analysed in the ?wi?ty Krzy? forest section in the ?wi?tokrzyski National Park.
      
In the ?wi?ty Krzy? forest section, the number of P3 sub-blocks with 0.00-5.00% of undamaged trees and with 80.01-100.00% of moderately- or severely-damaged trees was significantly greater for fir than for beech.
      
Changes in foliage density distribution with altitude and its effect on shoot growth and flowering were studied in forest section planes (profiles) of subalpine forests and scrubs (Krummholz) in Nepal and Japan.
      
A forest section with an area of 1.6 ha composed of 71 adjacent plots was located on a slope ending at the river margin.
      
Some considerations for regenerating black spruce on peatlands in the northern clay forest section, Ontario.
      


Based on the conditions of operation in the northern forest districts of our country and the technical applying data of all kinds of the haul trucks at home and abroad in the last 30 years (including comprehensive economics and costs analysis) the authors take the truck's development tendency in the last five years into account and suggest that two basic types (payloads of 6 t, 4×2 and 12 t, 6×4) and a version of diesel truck (payloads of 15 t, 6×6)should be more suitable.

本文综合分析国内外各种运材汽车的实际使用资料,结合我国北方林区特点及近五年内载货汽车发展概况,建议北方林区运材汽车选用载重六吨(4×2)和十二吨(6×4)柴油车两个基本车型。

In this paper, it is pointed out that in the current designing of forest road bridge, the dangerous state due to biassing load of FR-50 main vehicle (c=0.5m) has always been neglected. The error of the internal force moment can reach 13.4%(1=15m)。In addition, a conversion system is also put forwardto simplify the calculation.

本文指出在林区公路桥梁设计计算惯用方法中,忽略荷载林—50主车偏行(C=0.5米)的最危险情况,使车辆荷载内力弯矩误差可达13.4%(1=15米)。 另外,文中还提出换算内力法,使计算简化。

This article describes the characteristies of the topography, climate and roads in the southwest mountain forest region, and their influence on the functions of a wood-transport truck. It enumerates main measures to improve its functions in the plateau mountainous area, and the demands for the truck.

本文叙述了西南高山林区的地形、气候和道路特点及其对运材汽车使用性能的的影响。列举了改善高原山区运材汽车使用性能的主要措施和运材汽车应满足的要求。

 
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