Poisson ' s ratios calculated from v ( subscript p ) / v ( subscript s ) can provide much tighter constraints on the crustal composition than either the compressional or the shear velocity alone 摘要由弹性波纵横波速比计算得到的泊松比，在利用地震波反演地下结构和物质组成时，可以提供比单纯地利用纵波或者横波波速更强的约束。
