Radioactive pollution degrees of both the sea water and the soil can be deduced by means of conversion of the concentration factor's formula.
再通过浓集系数公式的换算，可以同时反映海水、土壤两方面放射性的污染程度。
Based on the analytic formula of groundwater inflow into tunnel, this paper puts forward a method to choose the minimal rock cover of sub-sea tunnel.
基于隧道涌水量解析公式，从隧道涌水量的角度出发考虑确定海底隧道的最小岩石覆盖厚度。
Based on the analytic formula of groundwater inflow into tunnel, this paper puts forward a method to choose the minimal rock cover of sub-sea tunnel.
基于隧道涌水量解析公式，从隧道涌水量的角度出发考虑确定海底隧道的最小岩石覆盖厚度。
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