作者: M.K. Savage , X.R. Shih , R.P. Meyer , R.C. Aster
DOI: 10.1016/0040-1951(89)90053-X
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摘要: … The best we can say is that the average anisotropy appears to be about 5%. Of course, if near-site anisotropy is causing the observed splitting, much larger percentages are required. …