论文 辅助定理: Given a string r with T 1 segments and a string s, if s is similar to r within threshold T s must contain a substring which matches a segment of r. 字符串s: ab ds fd ds(sa字符串r: cy/kg fd gf论文一 7 Given a string r with τ + 1 segments and a string s, if s is similar to r within threshold τ , s must contain a substring which matches a segment of r. 辅助定理： 字符串s：ab ds fd ds sa 字符串r： cy kg fd gf