用蒙特卡罗方法对中子在样品中的注量衰减，多次散射及有限角分辨做了修正。
The Corrections for neutron fluence attenuation, multiple scattering and finite geometry are performed by using Monte-Carlo method.
计算中考虑了静风影响及下述诸因子影响的修正：混合层，干、湿沉积，放射性衰减，建筑物影响等。
In calculation, the impact from calm and other following factors have been taken into account: mixing layer, dry and wet deposition, radioactive decay and buildings.
对距离参数进行了修正，使地震动衰减和烈度衰减关系中的距离参数的定义尽可能保持一致。
The revised parameter has been adopted so as to maintain definition of distance parameter of seismic ground motion consistent with intensity attenuation relationship as far as possible.
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