The moisture movement was mainly controlled by both temperature gradient and moisture gradient.
竹材热压干燥过程中的水分移动，主要受温度梯度和含水率梯度的共同作用。
The stress produced during the process of drying had a certain relation with moisture gradient, shrinkage, moisture and stress index.
干燥过程中产生的应力与含水率梯度、干缩量和含水率、应力指标，存在一定的相关关系。
On moisture gradient, the patience of bunchgrass stipa to water stress is more strong than rhizomatous grass, which shows stipa plants more adapt to develop in the arid and semi arid areas.
通过水分梯度实验发现丛生禾草针茅对水分胁迫的耐性高于根茎型禾草羊草，表明了针茅类植物对干旱半干旱区的高度适应性。
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