实验一Us=1.952实验二Us=1.951RxRR/R4UgRxR700-300-0.3-172.8-145.50.1579864000-1000720-280-0.28-159.5-135.80.1485894100-900740-260-0.26-146.4-126.10.1386614200-800760-240-0.24-133.6-116.40.1287434300-700780-220-0.22-121.1-106.70.118914400-600800-200-0.2-108.8-970.1084564500-500820-180-0.18-96.9-87.30.0990714600-400840-160-0.16-85.2-77.60.0892024700-300860-140-0.14-73.8-67.90.0799464800-200880-120-0.12-62.6-58.20.0702884900-100900-100-0.1-51.6-48.50.06007850000920-80-0.08-40.9-38.80.0513455100100940-60-0.06-30.3-29.10.0396045200200960-40-0.04-20-19.40.035300300980-20-0.02-9.9-9.70.020202540040010000000055005001020200.029.59.7-0.0210556006001040400.041919.4-0.0210557007001060600.0628.329.1-0.0282758008001080800.0837.538.8-0.03467590090011001000.146.548.5-0.043016000100011201200.1255.358.2-0.0524411401400.146467.9-0.0609411601600.1672.577.6-0.07034实验三Us=1.95211801800.1880.887.3-0.08045RxR12002000.288.997-0.0911140-1012202200.2297106.7-0.141-912402400.24104.9116.4-0.1096342-812602600.26112.3126.1-0.1228943-712802800.28120.3135.8-0.1288444-613003000.3127.7145.5-0.1393945-546-447-348-249-15005115225335445555665775885996010实验四Us=1.951R/R4UgTUgR-0.2-108.8-970.108456253.450.35492-0.18-96.8-87.30.09814303.5060.360702-0.16-85.1-77.60.088132353.5530.365555-0.14-73.7-67.90.078697403.6070.371131-0.12-62.5-58.20.0688453.6590.376502-0.1-51.5-48.50.058252503.7030.381047-0.08-40.8-38.80.04902553.7590.386831-0.06-30.2-29.10.036424603.810.3921-0.04-20-19.40.03653.8650.397783-0.02-9.8-9.70.010204703.920.4034670000753.9750.4091510.029.69.7-0.01042804.0310.4149390.0419.119.4-0.01571854.1490.4271370.0628.429.1-0.024650.0837.638.8-0.031910.146.548.5-0.043010.1255.358.2-0.052440.146467.9-0.060940.1672.477.6-0.071820.1880.887.3-0.080450.288.997-0.09111R/R4Ug-0.2-139.4-121.50.128407-0.18-123.7-109.350.116006-0.16-108.4-97.20.103321-0.14-93.6-85.050.091346-0.12-79.2-72.90.079545-0.1-65.1-60.750.06682-0.08-51.3-48.60.052632-0.06-38-36.450.040789-0.04-25-24.30.028-0.02-12.4-12.150.02016100000.0211.912.15-0.021010.0423.724.3-0.025320.0635.136.45-0.038460.0846.348.6-0.049680.157.360.75-0.060210.1267.972.9-0.073640.1478.485.05-0.084820.1688.697.2-0.097070.1898.2109.35-0.113540.2108.3121.5-0.12188
