只有控制土体中的蒸发量，才能改善土壤生态环境，提高土壤利用的有效性。
Only controlled the evaporation quantity in soil, that soil environment would be improved, the validity of soil would be boosted.
作为一个案例，该模型在淮河上游淮滨站以上流域被成功地建立，并有效地用于由降水量和蒸发量资料推求年天然径流量。
As a case, the model was satisfactorily structured and effectively used in computation of annual natural runoff with precipitation and evaporation at Huaibin Station on the upstream of the Huai River.
水面蒸发量为裸地最大，混交林及灌木林能有效减少水面蒸发，减少量较对照裸地可达50.54%和55.20%。
Compared with the bare land, the mixed forest and manual shrubbery can reduce evaporation from water surface 50.54% and 55.20%, respectively.
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