As a unique seasonal natural phenomenon along the coastal areas, Salty Tide usually occurs in the dry season or the period of drought.
由于咸潮上溯属于沿海地区一种特有的季候性自然现象，多发于枯水季节、干旱时期。
A drought by definition is a period of unusually dry weather.
干旱的定义是：一段时间内异常的干燥天气。
Even a single drought can cut growth potential by 10 percent over an extended period, and historical levels of variability appear to diminish growth potential by over one-third.
即使是一场干旱也有可能使长期增长降低10%，而历史水平的降雨量变化则有可能使增长降低三分之一。
Using it, he has built up a series of tree-ring chronologies from Thailand and Vietnam that indicate a period of severe drought across mainland South-East Asia in the early 1400s.
使用这个标记，他已经建立了从泰国和越南的一系列树木年轮年表，以表明在十五世纪早期横贯大陆和东南亚的一段严重的干旱期。
In dry climates, the onset of summer drought may put a period to plant activity.
在干燥的气候条件下，夏季干旱的开始就可能使植物丧失活力。
The ratio of net radiation over rainfall for a given period of time is a measure of excess energy relative to available water and is therefore a measure of drought hazard.
根据一定时间间隔的净辐射与降雨量的比可以用来衡量相对于可利用水分的剩余能量，因此该比值也是干旱灾害的度量。
The frequency of extreme drought in the dry period is much higher than that in the wet period.
在气候处于少雨时期，极端干旱频率远高于多雨时期。
As the orders of the drought resistance varied with the growth period, the drought resistance of one period can't replace that of the whole life period.
同时还发现不同时期的抗旱强弱次序不同，因此，不能以一个时期的抗旱性代替整个生育期的抗旱性。
Based on the recognition of hydrological drought and the runoff forecasting during the drought period, a forecasting model of hydrological drought is established.
通过水文干旱识别和枯水期径流量预估，建立了供水系统水文干旱的预测模型。
Wilson was still in disbelief that his shot of ending his15-race winless drought was done when his suspension was bent during the caution period.
威尔逊仍难以置信，他的镜头，结束了他15-种族队抗旱工作时，他被暂停一心要在谨慎时期。
The bloom began following a period of extended drought, which caused hypersaline conditions.
花开开端经过一段时间的延伸，招致干旱与高盐环境伴生。
The spring rainfall of Guangzhou has close relation with spring drought and has important meaning because of corresponding agricultural period planting and growth.
广州春季降水的多少与春季干旱关系密切，因为正值农作物播种和生长期而有重要的实际意义。
The joint regulation of increasing discharge from Danjiangkou Reservoir and decreasing discharge from Sanxia Power Station during drought period will reduce the probability of Hanjiang's water bloom.
丹江口水库增加枯水期下泄流量和三峡电站减少枯水期下泄流量的联合调度将减小汉江水华发生的概率。
The groundwater quality in rainy period of 2005 and in drought period of 2006 was evaluated using synthetic evaluation method.
本文采用应用最广泛的综合评价方法，对研究区2005年丰水期和2006年枯水期地下水水质进行现状评价。
Precipitation reduction, temperature rise, and large evaporation in growth period are main climate reasons why winter wheat drought of Langfang city occur.
降水量的减少，气温的上升，冬小麦生育期蒸发量大等因素，是造成廊坊市冬小麦干旱的主要气候因素。
Drought is one of the most severe natural disasters, drought has caused serious disruption to the growth and development of rice growing period significantly slowed, resulting in crop failures.
干旱是人类所面临的最严重的自然灾害之一，干旱导致水稻生长发育严重受阻，生育期显著减慢，造成农作物减产。
Drought is one of the most severe natural disasters, drought has caused serious disruption to the growth and development of rice growing period significantly slowed, resulting in crop failures.
干旱是人类所面临的最严重的自然灾害之一，干旱导致水稻生长发育严重受阻，生育期显著减慢，造成农作物减产。
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