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F. J. Gilman and M. B. Wiee, SLAC-PUB-2341, (1979).[2] G. 8. Abrama et al., BLAGPUB-2337, LBL9213, (1979).[3] M. gobayaehi and T. Maskawa, Prog. Theor. Phys., 49 (1973), 652[4] M. A. Shifman et al., Nucl. Phys.,B120(1977), 316.[5] S. Weinberg, Harvard Univ. Preprint, HUTP-78/A 005, (1978).[6] B. E. Shroch et al., BNL-E5936, (1979).[7] M. H. Gaillard, SLAG215, (1978).[8] 感谢戴元本教授指出了这一点.[9] L. F. Abbort et al., SLAC-PUB-2355, (1979).