When they detect an extended dry period, they divert their metabolisms, producing sugars and certain stress-associated proteins and other materials in their tissues.
当它们发现干旱期延长时，它们会改变自己的新陈代谢，在它们的组织中产生糖和某些与应激相关的蛋白质和其他物质。
How Long Should the dry Period Be?
干奶期应该要多长？
There is abundant water despite the dry period.
尽管是干旱时期，水还是很充足。
At the same time, rainfall levels began to rise after a long dry period.
同时，在长时期的干旱后，降雨量开始上升。
Diversity index of phytoplankton in flood period is higher than that in dry period.
丰水期浮游植物多样性指数大于平水期。
They also continued to produce energy during the dry period, although at a reduced level.
在干旱的情况下，它们甚至继续产生能量，虽然能量在减少。
But sometimes, no rain falls, for a long, long time. Then there is a dry period, or drought.
根据上文可知，很久未下雨，于是便有一段“干旱”“旱灾”由此可见。
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。
So, it can be concluded that sand drift activity and aeolian landform forming are mainly taking place in warm dry period.
可见，区内风沙活动及风成景观的塑造过程，主要是在暖干期进行的。
Rainwater collected by the coverage is directed to an underground reservoir serving the garden irrigation during dry period.
通过覆盖面直接收集雨水并将其引导到地下储层，在干旱期间用于花园灌溉。
After a dry period, the first rain running down the tree bark contains most nutrients, dissolved from wind-blown dust and organic matter.
经过一个干季，第一次雨沿着树干降落下来，带着尘土和有机物的机体。
It is thought that 70, 000 years ago a dry period caused Red Sea levels to fall and the gap across its mouth to shrink from 18 miles to eight miles.
据认为，7万年前的一段干旱时期造成红海水位下降，跨越海口处的距离从18英里缩小到8英里。
Be sure to also provide a clean environment with minimal bacterial contamination throughout the dry period to help further reduce the risk of new infections.
一定要在整个干奶期提供一个清洁的环境，达到最小的细菌污染，以帮助进一步减少新的感染的危险。
According to forecast, water flow shall be low during dry period of 2006-2007 and water supply in the Pearl River Delta shall be threatened by salty tide again.
据预测，珠江流域2006—2007年度枯水期来水依然偏枯，珠江三角洲地区将因咸潮继续面临严峻的供水局面。
It increased the loss in body weight and aggravated the negative energy balance, while the cow fed with low energy diet during the dry period increased 6% of the DMI and 6% of MY.
而干奶期低能饲喂奶牛，干物质摄入增加(达6%)，产奶量增加(达6%)，产后失重减少，能量负平衡减轻且持续时间缩短。
An analysis is made of the main distribution of water content in the key period, which provides a physical basis for the study of artificial precipitation in cumulus in the southern summer dry period.
分析了含水量在关键时段的主要分布情况，为研究南方夏旱期积云的人工影响方法提供物理依据。
Their absence supports the picture of a cold, dry Mars that never experienced the extended mild period required to form lakes and oceans.
它们的缺失使寒冷、干燥的火星经历了从未经历过形成湖泊和海洋所需的延长温和期的景象。
The dry mountain ranges of the western United States contain rocks dating back 440 to 510 million years, to the Ordovician period, and teeming with evidence of tropical marine life.
美国西部干燥的山脉包含了距今4.4亿至5.1亿年前的奥陶纪岩石，其中充斥着热带海洋生物生存的迹象。
It was about the period that my narrative has reached: a bright frosty afternoon; the ground bare, and the road hard and dry.
大概就是我的故事正讲到的那个时期——一个晴朗而严寒的下午，地面是光秃秃的，道路又硬又干。
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。
This time period, in the springtime, is traditionally when we have high winds and dry weather, so this is our normal fire season.
我们这里的春天，传统上讲是风大干燥的季节，也是火灾多发季节。
The surface may not have been wet for all of that period, notes Dr Grotzinger, but groundwater could have persisted even when the surface was temporarily dry.
在那一时期，火星地表或许不会一直都有水存在，格罗青格博士指出，但会存在地下水，即便地表暂时干涸。
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。
In order to improve the general performance of dry-type power transformer and to shorten new product development period, computing aided design should be further studied and applied.
为了进一步提高干式电力变压器的总体性能，缩短新产品的开发周期，有必要对其计算机辅助设计进行更深入的研究。
The post-natal body restores normally approximately needs for 6 weeks, this period should avoid dry participating in the physical labor.
产后身体恢复正常约需要6周，这期间应避免过旱参加体力劳动。
But re watering during different growth period had a different effect on dry matter accumulation of each plant organ.
但是，不同时期恢复供水，对植株各器官干物质增长和产量形成的促进作用有所不同。
The results showed that there was continuously accumulating of dry matter during the whole growth and development, but the accumulative amount and intensity varied in various period.
结果表明：在果实发育的整个过程都有干物质的不断积累，但不同时期其积累量和积累强度不同；
The distribution rates of dry matter of its organs changed greatly during its growth period.
车前各器官干物质分配率在生育期间有较大变化。
Stored in cool and dry, effective storage period for two years.
储存于阴凉干燥处，有效存储期限为两年。
Overlong fermentation period resulted in the pit mud dry, pale colour and lustre, coarse, and bad strength of the fermenting grains which could influence the liquor quality.
发酵周期过长可引起窖泥发干，糟醅的色泽暗、发黄、显糙、不柔熟、骨力差等现象，影响酒的产质。
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