施肥(make soil productive)(考) glue : seal / manure : fertilize(胶水用来密封/肥料 用来施肥)fertilize : grow / immunize : resist(施肥目的是使成长/ ...
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But this status is at risk because water, the vital ingredient to make the soil productive, is increasingly scarce.
但这一地位现在因为水这种令土地肥沃的重要因素越来越匮乏而处境危险。
Soil water infiltration capacities and parameters of soil water infiltration model make severe change in agriculture productive period, but have definite change law as well.
建立、验证了土壤水分入渗参数的多元逐步回归模型。
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