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1·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。

2·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。

3·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。

4·Water stress afflicts one in four cities worldwide.

全球每四个城市中就有一个有用水压力。

5·Water stress can decrease the availability of soil nutrients.

水分亏缺可使土壤养分的有效性降低。

6·Serious water stress caused the decreasing of chlorophyll content.

严重的水分胁迫可以引起叶绿素含量下降。

7·Water stress obviously restrain growth of coleoptile and main radical.

水分胁迫明显抑制了胚芽鞘和主胚根的生长。

8·Compensative effects of nitrogen were evident under mild water stress.

而在轻度水分胁迫下，氮素的施用效果较好。

9·The result showed: In water stress, the Pn (photosynthetic rate) decreased.

结果表明，水分胁迫使欧李光合速率下降。

10·Under severe water stress, The activity of peroxidase (POD) increased slightly.

严重土壤水分胁迫下，过氧化物酶的活性升高。