柯林斯英汉双解大词典
potometer /pəˌtɒmɪtə/
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1.
N an apparatus that measures the rate of water uptake by a plant or plant part (测量植物蒸腾的)散发计
双语例句
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Potometer an apparatus for measuring the rate of water uptake by a cut shoot or whole plant.
蒸腾计：通过茎切段或整个植物体来测量水分吸收速率的仪器。
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This is normally closely related to the rate of water loss by transpiration and the potometer can be used to compare transpiration rates under different conditions.
通常与由于蒸腾作用而丧失水分的速率紧密相关，蒸腾计可被用于在不同条件下进行蒸腾速率的比较。
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The value measured by Penman-Monteith method is very close to that measured with whole-tree potometer and that measured by heat pulse technique with errors less than 2%.
微气象法中午蒸腾值十分接近整树容器法与热脉冲法，其误差小于2％。
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