Some plants are woody in type—an adaptation designed to prevent collapse of the plant tissue when water stress produces wilting.

有些植物是木本植物，这是一种适应性的设计，以防止植物组织萎缩时，水分胁迫产生萎蔫。

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The researchers figured out water stress with a computer model that calculated how much water trees were getting in comparison with how much they needed.

研究人员通过一个计算机模型计算出了水分胁迫情况，该模型将之与树木所需水分进行比较，计算出树木实际获得的水分。

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Since the 1930s, Mary said, the biggest factors driving up water stress in the state have been rising temperatures.

玛丽说到，自从20世纪30年代以来，影响本国用水问题的最大因素是当地气温的升高。

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Water-deficit economies avoid the stress of mobilising freshwater when they import staple grains.

ECONOMIST: Intelligent communication

What health scientists are telling us is that climate change will bring increased asthma, more virulent allergens, medical emergencies from heat stress, the spread of water- and vector-borne diseases and increased severe weather events.

FORBES: What does Climate Change Have to Do With Health Care?

But more staff, including a psychologist, who will treat people affected by post-traumatic stress disorder after seeing loved ones die, and a water and sanitation health expert, will fly out over the next few days.

BBC: NEWS | Health | Race against time for Haiti medics