1) Calamity reduction via forest
森林减灾
2) forest fire
森林火灾
1.
Safety tips in attacking forest fires;
扑救森林火灾时的安全事项
2.
A Research to the Allocated Resources model of forest fires;
森林火灾灭火物资优化配置模型研究
3.
Forecasting and trend of forest fire occurance;
森林火灾发生趋势及预测方法的探讨
3) forest calamity
森林灾害
1.
Based on the development of China s forestry and making good use of the data of forest calamities and the growth of forestry economy from 1952 to 2001, the paper analyses the impact of forest calamity on forestry economic growth in China, trying to explore, theoretically, the inherent correlation between the two factors.
森林灾害制约了我国林业经济的增长 ,已成为当前我国林业发展面临的主要问题之一。
2.
According to the general calamity economic theory and research achievements,the writer discusses the problems of forest calamity economics with basic theories and principles,such as concepts,classifications and characteristics of forest calamity,subject and contents of forest calamity economic research,and fundamental theories of forest calamity economic research.
该文根据一般灾害经济的研究成果 ,主要探讨了森林灾害经济的一些基本理论与方法问题 ,包括 :森林灾害的概念及分类、森林灾害经济研究的对象与内容和森林灾害经济研究所遵从的基本原理
4) forest fires
森林火灾
1.
Research on the remote supervising technology of forest fires based on ZigBee;
基于ZigBee的森林火灾远程监测技术研究
2.
Distribution features of forest fires and relations between forest fires and vegetation index in Gansu Province;
甘肃森林火灾的分布特征及其与归一化差分植被指数的关系
3.
Distant relations between abnormal earth rotation and the forest fires in different years in Heilongjiang province;
黑龙江省森林火灾灾情年际变化与地球自转异常的遥联关系
5) forest disaster
森林灾害
1.
The measure will play a positive role in safeguarding the security of forest resources and reducing the loss of forest disasters.
阐述了营造生物防火林带是阻隔林火蔓延、实现"绿色防火"的主要措施,对保障森林资源安全、减少森林灾害的损失将发挥积极作用。
2.
The paper analyses constituent factor and distinction of forest disaster, and reason and status quo of forest disaster which include pests and diseases of forest,conflagration of forest,and denudation of forest,and point out that drive of benefit is fundamental reason of forest disaster.
文章首先分析了森林灾害的构成要素与特点 ,并进而分析了 90年代福建省森林病虫害、森林火灾与乱砍滥伐这三类森林灾害的发生情况与主要成因 ,指出经济利益的驱动是森林灾害发生的根本原因。
6) forest fire disaster
森林火灾
1.
Influence of forest fire disaster on forest ecosystem in Great Xing’anling.;
大兴安岭森林火灾对森林生态系统的影响
2.
Artificial neural network BP model is applied to predict forest fire disaster area in Henan Province.
应用人工神经网络BP模型对河南省森林火灾成灾面积进行预测,网络模型的最大相对误差为1。
3.
Based on the data of the forest fire disaster area from 1970 to 1994 obtained from Jianyang City,Fujian Province,the method of topological forecasting of grey theory was applied to study the law of forest fire,and the topological forecasting models of forest fire disaster were built in this paper.
根据森林火灾影响因子的不确定性和波动性,以福建省建阳市1970~1994年森林火灾为研究资料,运用灰色拓扑预测方法探讨了森林火灾的发生规律,并建立森林火灾的灰色拓扑预测模型 结果表明:所建立的灰色拓扑预测模型效果十分理想,各个模型的平均精度均在95%以上,所有模型总的平均精度为98 033%,达到一级精度的标准,表明拓扑预测模型能定量分析灾害发生的时间动态及其变化规律,从而为森林保护的有关决策提供了依
补充资料:森林资源(见世界森林资源、中国森林资源)
森林资源(见世界森林资源、中国森林资源)
forest resources
sen Iin ziyuon森林资源(forest resources)见世界森林资源、中国森林资源。
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