original RawSoil fire prevention road

用法例句

japonica mixed forests with percentage of 1: 1 plum blossom disposition was an ideal biological fire belt struc.

选择木荷、红花油茶、杨桐等树种，采用随机区组设计和简单机械设计方法，分别进行了不同树种、不同配置、不同立地条件的混交（单层纯林）和复层结构的新建型、改建型防火林带试验研究，结果表明：木荷（杜英）＋红花油茶；木荷（杜英）＋杨桐１：１比例梅花型混交复层结构林带，是较理想的生物防火林带结构模式，具有良好的生长效益、混交效益、立地适应效应，同时还提出了在６种不同条件下较适用的防火林带类型，为今后防火林带体系建设提供了依据。

A comprehensive evaluation of the current status of fire-resistant forest belts is of guiding significance in the future to their planning and construction.

防火林带的现状综合评价对生物防火林带的规划建设具有指导意义。

The rule of wind speed in the aweather area of the firebreak tree belt with three structures (sparse structure, tight structure and ventilate structure) was tested using simulating method in the wind tunnel experiment.

采用风洞模拟方法,对通风结构、疏透结构和紧密结构3种防火林带迎风面的风速进行测定,绘制了3种结构防火林带迎风面的相对风速等值线图;根据风速的分布特征,采用多模型选优的方法,确定了山脊防火林带迎风面的相对风速预测模型。

Based on the permanent sampling established in the firebreak tree belt of Schima superba Gardb.

调查研究了湖南省双牌县山脊防火林带 ,其林冠层透风系数为 0 。

Present Status and Countermeasures on the Construction of Biological Fire-resistant Forest Belt in Heyuan City

河源市生物防火林带建设现状及对策

Study on Appraise and Afforestation Technique of Biological Fire Belt in Zhejiang Area

浙江地区生物防火林带评价及营建技术研究

Investigation on Schima Superba Fire-Resistant Forest Belts Communities and Its Growth Features in Different Sites

木荷防火林带群落及其不同立地生长特性研究

Study on the Role of Forest Fireproofing Belt in Linzhi,Tibet

西藏林芝地区森林防火阻隔带作用研究

Popular Wild Green Herbaceous Plants in Spring-time and Their Roles in Forest Fire Prevention in Kunming Area

昆明地区春季常见野生绿色草本植物及其在森林防火中的作用

Study on Technique Measures for Forest Ecological Fire Prevention in Thousand-isles Lake

千岛湖区森林生态防火技术措施研究

Experiment on Ecological Firebreak of Broadleaved-oriented Transformation of Coniferous Forest

针叶林阔叶化改造的森林生态防火效果初报

Alternate strips planted to crops each year serve as windbreaks for the fallow strip.

每年播种作物的轮种带可用作休耕带的防风林。

Before everything, the fire in this area must be put out so as to prevent it from spreading to the forest.

当务之急的是要扑灭这一地带的火,以防止其和树林蔓延.

Study on Evaluation and Selection of Tree Species for Costal Protection Forest in Hangzhou Bay;

杭州湾海岸带防护林植物材料评价和选择研究

Soil microbial biomass and activity in relation to stand age of poplar shelterbelts

不同林龄杨树农田防护林土壤微生物生物量碳、氮和微生物活性

To erect fire prevention facilities;

在林区设置防火设施;

2) To erect fire prevention facilities;

（二）在林区设置防火设施；

Prevention of forest fires is up to you.

森林防火是你们的责任。

natural fuel break

天然防火线的防火隔离带如河流

Study on the Dynamics of Soil Carbon in a Secondary Oak Forest and a Pine Plantation in North Sub-tropical Area, South-eastern China;

北亚热带次生栎林与火炬松人工林土壤碳动态研究

Forestry Harmful Biological Control Countermeasures after Collective Forest Right System Reform;

集体林权制度改革后的林业有害生物防治对策

Water Ecological Characteristics of Casuarina Equisetifolia Protection Forest in Fujian Coastal Area;

福建海岸带木麻黄防护林水分生态的初步研究