On one side , it analyses the influence of human factor on the change of losses of agricultural drought .
一方面分析人为因素对旱灾灾情变化的影响程度。 结果认为，人为因素对旱灾灾情变化的影响程度较大。
The existence of vulnerability in agricultural drought system is the root that leading drought to disaster.
农业旱灾脆弱性的存在是干旱成灾的主要原因。
A water balance drought simulation model is proposed for scientific evaluation and test of agricultural drought.
为了能够较科学地评估和检验农业干旱，本文提出了水平衡干旱模拟模型。
An accumulated humidity index is introduced as agricultural drought and flood indicator and can be applied to operation.
该文提出了一个可业务应用的农业旱涝监测预警气象指标——累积湿润指数。
Taking county as an element the agricultural drought disaster vulnerabilities of Hebei Province in different periods are assessed.
以县域为单元，对河北省不同时段的农业旱灾脆弱度进行了评估。
The agricultural drought is one of the most severe disasters in our country. It occurs widely with high frequency and has badly affection.
农业旱灾是我国发生范围最广、频率最高、灾情和影响最严重的灾害。
This paper reviews the researches on agricultural drought monitoring, forecasting and loss assessment as well as the applications in China.
综述了中国农业干旱的监测、预警及灾损评估的研究与业务应用状况。
Based on the principle of water balance on farmland, a simulation model for agricultural drought under condition of irrigation is proposed.
根据农田水量平衡原理，建立了灌溉条件下的干旱模拟模型。
Monitoring soil moisture by remote sensing has been an important problem for both agricultural drought monitoring and water resources management.
土壤水分的遥感监测在农业干旱和水资源管理方面具有重要的意义。
Taking age as unit, the paper compares human factor's action on agricultural drought in every age since 1950's, and studies the causes and change tendency.
以年代为单位，将建国后50年中各年代的人为因素对农业旱灾的作用相对比，探讨其成因及变化趋势。
The soil itself is a huge reservoir, it is lost largely, its water content and total storage is reduced afterwards, that causes agricultural drought or flood disaster.
土壤本身即是巨大的蓄水库，土壤大量流失，土壤含水量和土壤总贮水量均随之减少，造成农业干旱或洪涝灾害。
On the basis of analyzing agricultural drought evaluation studies at home and abroad, a comprehensive evaluation of agricultural drought TOPSIS evaluation method is put forward.
在分析国内外农业干旱评价研究现状的基础上，提出了农业旱情综合评价的TOPS IS评价方法。
The heavy agricultural drought areas of China do not match with the meteorological drought areas. The average drought degree over years in Hunan and Hubei province of a plenty of rain is also serious.
中国的农业重旱省区与气象干旱区不相吻合，雨水较丰的湖南、湖北两省单位耕地面积的多年平均受旱程度亦很严重。
Their most fashionable exemplar is the Murray-Darling basin in Australia, where they have enabled farmers to withstand a fearsome drought without much impact on agricultural production.
他们中最流行的典范是澳大利亚墨累达令盆地，该地现已使农民能禁得起可怕的干旱而使其农业生产不受影响。
In general, odd years should be better, according to the Louisiana State University Agricultural Center, but this year's harvest has been reduced by drought.
路易斯安那州立大学农业中心认为，大体来说，奇数年份的收成会好些。今年由于干旱收成大大减少。
Agricultural economists say the drought is costing billions of dollars, with farmers in dire financial straits unless they had the foresight to buy federal crop insurance.
农业经济学家指出，旱灾正导致经济损失数亿美元，除非农民有先见之明购买了联邦农作物保险，否则他们要面临严重的资金困难。
In Hebei Province, some 2.3 million hectares of agricultural land have been severely affected by two consecutive drought seasons, and the level of groundwater has fallen by 0.6 meters.
而在河北省，约230万公顷的农业土地严重地受到了连续两亇季节干旱的影响，地下水位已经跌落了0.6米。
And while Europe accounts for one-fifth of the world's wheat production, so far drought has not hit Europe's biggest agricultural heavyweights, Russia and the Ukraine.
虽然欧洲小麦产量占全世界五分之一，欧洲的旱象还没有侵袭到重要的粮食产地乌克兰和俄罗斯。
Australia has produced some of its biggest agricultural crops in times of greatest drought.
澳大利亚在它最干旱的时期也生产出最大量的农作物。
Agricultural economists say the drought is costing billions of dollars with farmers in dire financial straits unless they had the foresight to buy federal crop insurance.
农业经济学家指出，旱灾损失数亿美元，除非农民有先见之明购买了联邦农作物保险，否则他们要面临严重的资金困难。
In the area around Xianyang in Shaanxi province, about 741,000 acres of agricultural land are affected by the drought.
陕西省向阳镇附近地区，约741000英亩的农业用地受到干旱影响。
Drought occurs frequently and influences agricultural production in Ningnan Mountainous region.
宁南山区干旱频繁，严重影响农业生产。
In China, especially in North China, drought is the most serious limiting factor for agricultural production.
在我国，尤其是北方，干旱是农业生产最严重的限制因素。
Drought is one of the most serious agricultural meteorological disasters, and the main limiting factor for raising winter wheat yield in North China.
干旱是华北平原最严重的农业气象灾害之一，是冬小麦产量稳定上升的重要限制因素。
Recent achievements of appropriate soil moisture and lower limit of soil drought indices provided an important basis of soil physics for agricultural water supply of low quota.
土壤适宜含水量和土壤干旱下限指标的最新研究成果，为低定额的农业供水提供了土壤物理学的重要依据。
Water balance drought flood index is used as the agricultural meteorological index of flood and humidity harm.
洪涝和湿害的农业气象指标用水分平衡旱涝指标来表示。
Drought and shortage of irrigation faciligies are the major factors limiting agricultural production.
干旱缺水是农业生产的主要制约因素；
Drought and shortage of irrigation faciligies are the major factors limiting agricultural production.
干旱缺水是农业生产的主要制约因素；
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