Stem flow gauge can measure plant flow rate directly. In this paper, we have evaluated the value of the instrument through farmland experiment and theory calculation.

通过田间试验及理论计算，验证了对茎流计在测量作物蒸腾方面的实用价值。

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For five years corporations spent much more than their cash flow for plant and equipment.

FORBES: Market trends: The phantom recession

Earlier models, which tried to use water flow and plant growth to explain how the tiger bush got its stripes, failed to account for all but the simplest patterns.

ECONOMIST: Mathematical ecology

Hairballs mean more inventory costs because at each geographically separate production stage a buffer stock of unfinished items is kept to cope with any disruptions in the flow from another plant.

WSJ: 3M Begins Untangling Its 'Hairballs'