1) Firebreak tree belt in the ridge of a mountain
山脊防火林带
2) Fire proof belt of ridge
山脊防火线
3) the wooded mountain fire protection
山林防火
1.
However,along with massive forest lands,lawn afforested cover,the wooded mountain fire protection question has .
然而,随着大量林地、草坪的绿化覆盖,山林防火问题已逐渐成为高校亟需解决的新课题。
4) fire-resistant forest belts
防火林带
1.
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。
5) firebreak tree belt
防火林带
1.
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。
2.
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 。
6) fire belt
防火林带
1.
Huaiji county used Schima superba establish fire belt, and achieved obviously effect.
怀集县营建的木荷生物防火林带 ,经测试具有很好的抗火性、耐火性、难燃性等特点 ,可阻隔地表火和林冠火的蔓延 ,起到防火的作用 ,并可改善林地环境 ,防止水土流失 ,其经济效益、生态效益和社会效益显著。
2.
According to forest economic benefit, the maximum allowable density mathematical model of fire belt network was established by accurate calculation for feasibility evaluation of fire belt density in artificial forest, which provide a basis for the construction of fire belt network.
根据森林经济效益，建立精确计算防火林带网络最大允许密度的数学模型，以例说明在人工林防火林带网络密度的可行性评判应用，为防火林带网络建设提供依据。
补充资料：山脊
1.山的高处象兽类脊骨似的隆起部分。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条