为了讨论混响对双基地声呐探测范围的影响，利用经验证的三维散射模型，讨论在不同入射、散射掠射角和散射方位角约束下的海底散射强度分布。
The distribution of sea-floor scattering strength held in the incident grazing angle, scattering graze angle, and scattering azimuthal angle was analyzed using a 3-D model that was validated.
粗骨料粒径分布对混凝土强度分析有重要影响，但如果不用切割方法，混凝土内粗骨料三维粒径分布测量就无法实现。
Coarse aggregate size distribution is important for the research on concrete strength analysis. Usually it can not be obtained without cutting a part of concrete down.
最后，对研究区分布的土石混合体的强度参数提出合理的参考值，为变形体的三维稳定分析奠定基础。
At the end, a reasonable reference value on the strength parameters of rock-soil aggregate in the study area is proposed to establish the foundation of the 3d slope stability analysis.
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