With the environmental isotope technique, the induced recharge of river water under pumping condition in water source site adjacent to the river has been probed.
利用环境同位素技术追踪傍河水源地开采条件下的河水激发补给过程和补给强度。
Stefan problem of ice-water mixture is discussed under the condition of the second boundary and heat source accelerating to melt ice.
讨论在第二边界条件和有热源加速冰融化情况下冰水混合物自由边界问题。
According to natural conditions, water source, climate condition, farm crop of the district and social economic etc, the judge matrix is simplified and the consistency is checked.
根据区域的自然条件、水源状况、气候状况、作物种植结构及社会经济条件等因素，对判断矩阵进行了简化、层次排序和一致性检验。
The characteristic, the applying condition and system formation of the ground water-source heat pump air conditioning system were introduced.
介绍了地下水源热泵空调系统的特点、应用条件以及系统形式。
The natural degradation speed of the pollution of chemical pollutants in the soil is very slow under a natural condition, so a long-time pollution source to underground water is formed.
土壤中的化学污染物在自然条件下污染自然降解速度非常缓慢，形成对地下水的长期污染源。
The natural degradation speed of the pollution of chemical pollutants in the soil is very slow under a natural condition, so a long-time pollution source to underground water is formed.
土壤中的化学污染物在自然条件下污染自然降解速度非常缓慢，形成对地下水的长期污染源。
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