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面积火灾
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  area fire
     Studying the application of model in great area fire disaster of Heilongjiang.
     在研究黑龙江大面积火灾中,课题利用模型对火情进行跟踪监测。
短句来源
     Model has certain dependability using in fire point of Guangdong and great area fire disaster of Heilongjiang.
     通过广东火点和黑龙江大面积火灾的监测验证,模型的可靠性较好。
短句来源
  “面积火灾”译为未确定词的双语例句
     The deviation of small fires is usually attributed to the absence of small fire records, while the theoretical explanation is not available nowadays.
     对小尺度火灾的偏离现象,研究者通常猜测是由于小面积火灾记录数据遗漏较多造成的,目前尚没有一个理论上的依据,而小尺度火灾的分布规律对大尺度火灾的预测起着关键作用。
短句来源
     The statistic model of fire risk assessment is based on fire losses, population density, buildings density, road density and fire protection force.
     选用单位面积火灾损失、人口密度、建筑密度、路网密度和消防力量建立城市火灾危险预测与评估的统计模型。
短句来源
  相似匹配句对
     Evaluating method of burned area in building fire
     建筑火灾过火面积估算方法
     Study on the Chaos Features of Forest Fire
     森林火灾受害面积混沌特性研究
短句来源
     S_(ij)=area;
     Sij———面积;
短句来源
     Fire Sensor
     火灾传感器
短句来源
     Fire Science
     火灾科学
短句来源
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  area fire
A general area fire detection capability should be provided in the primary containment as a backup for the hazard detection described above.
      
The area Fire Warden will direct you to the assembly area.
      
The area Fire Wardens will have clear instruction of how to evacuate the building in an orderly fashion.
      
WFAS provides an assessment of broad area fire potential for fire managers and the public.
      


Forest fire is one of major agents which damage forest. The risk of forest fire tends to be increasing due to the global change of climate getting warmer since 1980′s. Based on the data of forest statistics, this paper tried to analyze the frequency of fire occurrence, the total area of forest burned and losses caused by forest fire in some countries of the world. Introduction is also made in this paper to institutional framework and research direction of forest fire prevention. It has been enhanced to manage...

Forest fire is one of major agents which damage forest. The risk of forest fire tends to be increasing due to the global change of climate getting warmer since 1980′s. Based on the data of forest statistics, this paper tried to analyze the frequency of fire occurrence, the total area of forest burned and losses caused by forest fire in some countries of the world. Introduction is also made in this paper to institutional framework and research direction of forest fire prevention. It has been enhanced to manage and control forest fire through utilization of new technology including telereconnainssance, the ability of predicting and forecasting fire risks has been improved, international cooperation in fire management and prevention was strengthened in recent years.

森林火灾是危害森林的一个重要的自然因子,尤其是近年来全球气候变暖,森林火灾更有增加的趋势。本文根据近年的林火统计资料分析了国外一些国家和地区的森林火灾次数与面积、火灾类型、火灾发生趋势和火灾损失情况,并介绍了这些国家的防火组织机构,对森林防火工作的未来做了展望

Influences of human's actions to the biodiversity have dual nature.High intensity disturbance,including large cut- down forest,over- utilization of species,large area forest fire,forest denudation,large scale introduced species and so on reduce biodiversity, while low intensity disturbance (for example,small area clearcutting and selective cutting of forest and minor area fire) may increase biodiversity,and especially in ecosystem and landscape diversity.

人类经济活动对生物多样性的影响具有正负效应。强度干扰 ,包括大面积采伐森林、物种的过度利用、大面积的森林火灾和炼山造林、毁林开荒和大规模引入新的物种、农药的施用和环境污染、林区采矿等经济活动导致生物多样性的下降。低强度干扰 (小面积皆伐、择伐和小面积火灾 )增加生物多样性 ,尤其在增加生态系统和景观多样性方面较明显。

The forest fire system is a selforganized critical system and the distribution of forest fires satisfies powerlaw relation. However, it has been observed that fire distribution deviates power law when fire size is very small or very large. The deviation of small fires is usually attributed to the absence of small fire records, while the theoretical explanation is not available nowadays. To understand the deviation of small fires, forest fire is treated as a BirthDeath process and the spreading as well as...

The forest fire system is a selforganized critical system and the distribution of forest fires satisfies powerlaw relation. However, it has been observed that fire distribution deviates power law when fire size is very small or very large. The deviation of small fires is usually attributed to the absence of small fire records, while the theoretical explanation is not available nowadays. To understand the deviation of small fires, forest fire is treated as a BirthDeath process and the spreading as well as the extinguishment of forest fire is analyzed. The dependence of fire distribution on fire size and its mechanism are obtained and the reason of the deviation of small fire is explained. The analytical results are then compared with actual forest fire records in Japan and it shows good accordance. The study may be useful to understand the selforganized criticality of fire system and may have practical implications on forest fire protection.! 

森林火灾系统是一个自组织临界性系统,它的表现之一就是火灾的尺度分布满足幂律规律。然而实际数据分析表明,在尺度最大和最小的两个区域,火灾分布与幂律规律存在较大的差异。对小尺度火灾的偏离现象,研究者通常猜测是由于小面积火灾记录数据遗漏较多造成的,目前尚没有一个理论上的依据,而小尺度火灾的分布规律对大尺度火灾的预测起着关键作用。为了解释这种偏离现象,该文将火灾看作一个生灭过程,并对火灾蔓延和熄灭的机理进行了分析,最终得到了森林火灾分布与火灾尺度的定量依赖关系及其机理。将该文的结果与日本近年来全国范围内的森林火灾统计数据进行了对比,表明该文得到的结果与真实数据得到较好符合,并且成功解释了小尺度森林火灾分布与幂律关系的偏离现象。该研究可望对深入认识火灾系统的自组织临界性和防治火灾具有一定的实际意义。

 
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