采用降水指标、径流指标、受旱率进行干旱程度分析。
The drought degree is analyzed by precipitation target and drought rate.
从理论和实例上说明了该方法对于干旱程度的评价是适用的。
It suits to evaluate the arid degree to use this method from the aspects of theory and practice.
在研究过程中，首当其冲的问题就是干旱程度的科学、合理地评估。
During researching, the first question is that drought extent can be estimated scientifically and reasonably.
本文认为干旱程度描述最重要的是要正确反映干旱给农业造成的损失大小。
This paper thinks that it is the most important about drought description that showing the loss extent that drought brings to agriculture.
采用盆栽试验对不同土壤干旱程度下刺槐幼苗水分生理特征进行了初步研究。
This paper deals with the water physiology and growth characteristics of locust seedling under the soil drought condition.
尽管他们经历的干旱时间较短，但干旱程度却更强，是800年间最干旱的一次。
Although their drought was shorter it was even drier, the worst in 800 years.
采用盆栽试验对不同土壤干旱程度下刺槐幼苗水分生理和生长指标进行了初步研究。
This paper deals with the water physiology and growth characteristics of locust seedling under different soil drought.
如今人们已经认识到它的巨大影响力，它会导致世界很多地区气温、降雨和干旱程度的显著变化。
It is now understood to have far wider effects, leading to characteristic patterns of temperature, rainfall and drought around much of the world.
稻草覆盖可减轻玉米旱害，其效果随着覆盖量的加大而越明显，但受干旱程度和生育期影响。
The thicker the straw mulching, the more significant the effect. But the effect was limited by soil aridness and growth stage of maize.
气候变暖使小麦播种期推迟，全生育期缩短，干旱程度加重，气候产量下降，气候变化不利于小麦生长。
The climate warming put off the seeding date, shorten the growth season, increased drought degree, and the climatic yields were declined. Climate change was not conducive to wheat growth.
以迁安市为例，对迁安市的干旱程度进行综合评价，结果表明灰色模糊聚类分析法在区域干旱评价中是适用的。
Qian 'an city arid degree is evaluated, it indicates that the analytic method of the gray-fuzzy in the region arid evaluation is suitable.
通过分析不同干旱程度下各区脆弱度的形成和变化原因，提出了具有针对性的降低农业旱灾脆弱性的具体措施。
Through analyzing reasons of the formation and changes of vulnerability in different drought degrees, the specific countermeasures are put forward to lower the vulnerability.
该指数可根据每日最新日降水值和日最高气温值的变化，及时给出影响干旱程度变化的主要气象因素的变化，使干旱监测具有实时性、敏感性和连贯性。
Because the change of the main factor of drought is given by the daytime precipitation and the highest temperature every day, the index is real-time, sensitive and consistent.
持续干旱，超强飓风，冬季早已过去却遭遇暴雪袭击，猛烈程度创下世界之最的冰雹袭击，气候型态变得越来越难以捉摸。
But a trend of weather intensity, and oddity, grows. Droughts linger longer. Hurricanes hit harder. Snowstorms strike long after winter should have ended. World record hailstones fall.
如果森林干旱到一定的程度，夹杂着空气的水就会从导管进入植物内部——这就像燃油管里的气泡一样——植物会因此而死。
If the forest gets dry enough, air can get into the vessels that carry water through a tree - kind of like an air bubble in a fuel line - and a tree dies.
确定了不同程度的干旱在区域上的分布特征及其发生频率。
The distribution and frequencies of drought in different degree were determined.
一个干旱的河床显示出今年干旱的严重程度。
A dry river bed reveals the severity of this year's drought.
水文学家担心，干旱的严重程度会促使农民建造更多的水坝。
Hydrologists fear that the severity of the drought has encouraged farmers to build more DAMS.
研究了不同程度土壤持续干旱对冬小麦根系生长及营养代谢的影响。
The effect of roots growth and nutrient metabolism of winter wheat was studied under different degree of soil sustaining drought.
同工酶的谱带可归为四类，谱带的变化与干旱胁迫程度有一定相关，但规律不明显。
There were some correlations between the changes of the bands and the extent of drought stress, but their orderliness was not remarkable.
本实验的主要结论如下：干旱胁迫下结缕草的受害状况随胁迫程度和胁迫时间的增加而增加。
The main conclusions of this study are as follows: Z. japonica under drought stress with the stress level of victimization and stress time increases.
干旱胁迫对贮存水调节量的影响不显著，但是绝对调节能力随干旱胁迫程度的增加而增加。
It was lightly influenced by bulk of reserved water adjustment in drought stress, but the absolute reserved water adjustment was depended on SAP flow, which influenced by soil water conditions.
全球温度升高，其环境后果从各种各样的，程度剧烈的干旱和洪涝都有。
The global temperature is on the rise. Its environment consequences include new patterns and extremes of drought and rainfall.
苗木根系活力除了受土壤干旱协迫程度的影响之外，还受到干旱持续时间的影响。
Root vigor was affected not only by the degree of soil drought but also by the duration of soil moisture.
黑河中游是我国西北干旱区开发历史较早，绿洲化程度较高的第二大内陆河流域。
The middle reaches of Heihe river is the second largest inland valley in the arid region of northwestern China.
随着干旱胁迫程度的加剧，耐旱品种叶片中不同保护酶系均显著高于常规品种，而电导率却低于对照。
The protective enzyme indexes of drought tolerant rice cultivars were significantly higher than those of conventional rice cultivars, but the ec were lower with the aggravation of drought stress.
随着干旱胁迫程度的加剧，耐旱品种叶片中不同保护酶系均显著高于常规品种，而电导率却低于对照。
The protective enzyme indexes of drought tolerant rice cultivars were significantly higher than those of conventional rice cultivars, but the ec were lower with the aggravation of drought stress.
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