精选优质文档-倾情为你奉上t2=L/v(mint2=L/v(minY1-Y236.00.451.0083.1037.40300Y2-Y339.50.991.001.1075.9075.14300Y3-Y445.91.582.101.2869.66110.06400Y23-Y2455.10.441.5383.1036.56300Y24-Y452.00.671.531.4472.7048.71300Y4-Y511.50.673.380.3264.0542.91300Y5-Y615.10.673.700.4262.9742.19300Y6-Y733.60.674.120.9361.5041.21300Y7-Y811.20.675.050.3158.6239.28300Y8-Y910.80.675.360.3057.7138.67300Y9-Y1049.70.675.661.3856.8438.08300Y25-Y2637.30.431.0483.1035.73300Y26-Y2739.60.991.041.1075.4674.71300Y27-Y2829.61.322.140