对回归模型的参数进行估计,根据回归结果得: = 6.017832 - 0.070414 (1.052260)(0.014176) t = (5.718961)(-4.967254) =0.778996 F=24.67361 S.E.=0.160818 DW=2.526971答案中(1.052260)(0.014176) DW=2.526971 是什么意思? 求大神解释