两条后向轨迹连成一条轨迹

星期八

各位老师好，学生做后向轨迹出现一个小问题，单独的两条轨迹可以显示的好好的，放在一起就会出问题。

tgs文件如下
start_year,start_month,start_day,start_hour,year,month,day,hour,age_hour,latitude,longitude,height,press
14,12,1,1,14,12,1,1,0,29.564,106.571,500,906.8
14,12,1,1,14,12,1,0,-1,29.542,106.589,509.9,905.1
14,12,1,1,14,11,30,23,-2,29.519,106.606,519.9,903.4
14,12,1,1,14,11,30,22,-3,29.497,106.624,529.8,901.7
14,12,1,1,14,11,30,21,-4,29.475,106.642,539.7,899.9
14,12,1,1,14,11,30,20,-5,29.452,106.659,549.7,898.2
14,12,1,1,14,11,30,19,-6,29.43,106.677,559.6,896.5
14,12,1,1,14,11,30,18,-7,29.404,106.696,582.7,892.5
14,12,1,1,14,11,30,17,-8,29.378,106.714,605.8,888.6
14,12,1,1,14,11,30,16,-9,29.352,106.733,628.9,884.6
14,12,1,1,14,11,30,15,-10,29.325,106.751,652.1,880.6
14,12,1,1,14,11,30,14,-11,29.299,106.77,675.2,876.7
14,12,1,1,14,11,30,13,-12,29.273,106.788,698.3,872.7
14,12,1,1,14,11,30,12,-13,29.245,106.805,736.8,867.1
14,12,1,1,14,11,30,11,-14,29.218,106.821,775.4,861.4
14,12,1,1,14,11,30,10,-15,29.19,106.838,813.9,855.8
14,12,1,1,14,11,30,9,-16,29.162,106.854,852.4,850.2
14,12,1,1,14,11,30,8,-17,29.135,106.871,891,844.5
14,12,1,1,14,11,30,7,-18,29.107,106.887,929.5,838.9
14,12,1,1,14,11,30,6,-19,29.079,106.899,978.8,831.8
14,12,1,1,14,11,30,5,-20,29.051,106.911,1028,824.7
14,12,1,1,14,11,30,4,-21,29.023,106.923,1077.3,817.6
14,12,1,1,14,11,30,3,-22,28.995,106.935,1126.6,810.4
14,12,1,1,14,11,30,2,-23,28.967,106.947,1175.8,803.3
14,12,1,1,14,11,30,1,-24,28.939,106.959,1225.1,796.2
14,12,1,1,14,11,30,0,-25,28.914,106.965,1261.1,790.3
14,12,1,1,14,11,29,23,-26,28.889,106.971,1297.1,784.4
14,12,1,1,14,11,29,22,-27,28.865,106.977,1333.1,778.5
14,12,1,1,14,11,29,21,-28,28.84,106.982,1369.1,772.6
14,12,1,1,14,11,29,20,-29,28.815,106.988,1405.1,766.7
14,12,1,1,14,11,29,19,-30,28.79,106.994,1441.1,760.8
14,12,1,1,14,11,29,18,-31,28.77,106.998,1457.5,759.4
14,12,1,1,14,11,29,17,-32,28.749,107.003,1473.8,758.1
14,12,1,1,14,11,29,16,-33,28.729,107.007,1490.2,756.7
14,12,1,1,14,11,29,15,-34,28.708,107.011,1506.6,755.3
14,12,1,1,14,11,29,14,-35,28.688,107.016,1522.9,754
14,12,1,1,14,11,29,13,-36,28.667,107.02,1539.3,752.6
14,12,1,1,14,11,29,12,-37,28.651,107.026,1542.4,752.4
14,12,1,1,14,11,29,11,-38,28.635,107.033,1545.5,752.2
14,12,1,1,14,11,29,10,-39,28.619,107.039,1548.6,752
14,12,1,1,14,11,29,9,-40,28.602,107.045,1551.6,751.8
14,12,1,1,14,11,29,8,-41,28.586,107.052,1554.7,751.6
14,12,1,1,14,11,29,7,-42,28.57,107.058,1557.8,751.4
14,12,1,1,14,11,29,6,-43,28.557,107.068,1551.7,752.2
14,12,1,1,14,11,29,5,-44,28.545,107.077,1545.5,752.9
14,12,1,1,14,11,29,4,-45,28.533,107.087,1539.4,753.7
14,12,1,1,14,11,29,3,-46,28.52,107.097,1533.2,754.4
14,12,1,1,14,11,29,2,-47,28.508,107.106,1527.1,755.2
14,12,1,1,14,11,29,1,-48,28.495,107.116,1520.9,755.9
14,12,1,1,14,11,29,0,-49,28.487,107.13,1507,757.3
14,12,1,1,14,11,28,23,-50,28.478,107.143,1493.1,758.7
14,12,1,1,14,11,28,22,-51,28.47,107.156,1479.3,760.2
14,12,1,1,14,11,28,21,-52,28.462,107.17,1465.4,761.6
14,12,1,1,14,11,28,20,-53,28.453,107.184,1451.5,763
14,12,1,1,14,11,28,19,-54,28.445,107.197,1437.6,764.4
14,12,1,1,14,11,28,18,-55,28.441,107.215,1416.1,766.8
14,12,1,1,14,11,28,17,-56,28.437,107.233,1394.5,769.2
14,12,1,1,14,11,28,16,-57,28.434,107.251,1373,771.6
14,12,1,1,14,11,28,15,-58,28.43,107.268,1351.4,774
14,12,1,1,14,11,28,14,-59,28.426,107.286,1329.9,776.4
14,12,1,1,14,11,28,13,-60,28.422,107.304,1308.3,778.8
14,12,1,1,14,11,28,12,-61,28.421,107.326,1282.1,782
14,12,1,1,14,11,28,11,-62,28.42,107.348,1255.8,785.2
14,12,1,1,14,11,28,10,-63,28.419,107.37,1229.6,788.4
14,12,1,1,14,11,28,9,-64,28.418,107.392,1203.4,791.5
14,12,1,1,14,11,28,8,-65,28.417,107.414,1177.1,794.7
14,12,1,1,14,11,28,7,-66,28.416,107.436,1150.9,797.9
14,12,1,1,14,11,28,6,-67,28.416,107.46,1122.5,801.3
14,12,1,1,14,11,28,5,-68,28.416,107.484,1094,804.7
14,12,1,1,14,11,28,4,-69,28.417,107.508,1065.6,808.1
14,12,1,1,14,11,28,3,-70,28.417,107.531,1037.2,811.4
14,12,1,1,14,11,28,2,-71,28.417,107.555,1008.7,814.8
14,12,1,1,14,11,28,1,-72,28.417,107.579,980.3,818.2
14,12,1,1,14,11,28,0,-73,28.417,107.602,952.3,821.6
14,12,1,1,14,11,27,23,-74,28.417,107.625,924.3,825.1
14,12,1,1,14,11,27,22,-75,28.417,107.648,896.4,828.5
14,12,1,1,14,11,27,21,-76,28.417,107.67,868.4,831.9
14,12,1,1,14,11,27,20,-77,28.417,107.693,840.4,835.4
14,12,1,1,14,11,27,19,-78,28.417,107.716,812.4,838.8
14,12,1,1,14,11,27,18,-79,28.418,107.737,784.5,842
14,12,1,1,14,11,27,17,-80,28.419,107.758,756.7,845.1
14,12,1,1,14,11,27,16,-81,28.42,107.78,728.8,848.3
14,12,1,1,14,11,27,15,-82,28.421,107.801,700.9,851.4
14,12,1,1,14,11,27,14,-83,28.422,107.822,673.1,854.6
14,12,1,1,14,11,27,13,-84,28.423,107.843,645.2,857.7
14,12,1,1,14,11,27,12,-85,28.426,107.863,615.9,861
14,12,1,1,14,11,27,11,-86,28.429,107.883,586.6,864.3
14,12,1,1,14,11,27,10,-87,28.432,107.903,557.3,867.6
14,12,1,1,14,11,27,9,-88,28.434,107.922,527.9,870.8
14,12,1,1,14,11,27,8,-89,28.437,107.942,498.6,874.1
14,12,1,1,14,11,27,7,-90,28.44,107.962,469.3,877.4
14,12,1,1,14,11,27,6,-91,28.442,107.981,437.9,880.9
14,12,1,1,14,11,27,5,-92,28.444,108,406.5,884.5
14,12,1,1,14,11,27,4,-93,28.446,108.02,375.1,888
14,12,1,1,14,11,27,3,-94,28.447,108.039,343.6,891.5
14,12,1,1,14,11,27,2,-95,28.449,108.058,312.2,895.1
14,12,1,1,14,11,27,1,-96,28.451,108.077,280.8,898.6
14,12,1,1,14,11,27,0,-97,28.452,108.093,254.2,902.2
14,12,1,1,14,11,26,23,-98,28.452,108.109,227.6,905.9
14,12,1,1,14,11,26,22,-99,28.453,108.126,201,909.5
14,12,1,1,14,11,26,21,-100,28.454,108.142,174.3,913.1
14,12,1,1,14,11,26,20,-101,28.454,108.158,147.7,916.8
14,12,1,1,14,11,26,19,-102,28.455,108.174,121.1,920.4
14,12,1,1,14,11,26,18,-103,28.456,108.185,107,921.9
14,12,1,1,14,11,26,17,-104,28.457,108.197,92.9,923.3
14,12,1,1,14,11,26,16,-105,28.459,108.208,78.8,924.8
14,12,1,1,14,11,26,15,-106,28.46,108.219,64.7,926.3
14,12,1,1,14,11,26,14,-107,28.461,108.231,50.6,927.7
14,12,1,1,14,11,26,13,-108,28.462,108.242,36.5,929.2
14,12,1,1,14,11,26,12,-109,28.464,108.25,30.4,929.1
14,12,1,1,14,11,26,11,-110,28.466,108.258,24.3,928.9
14,12,1,1,14,11,26,10,-111,28.467,108.266,18.3,928.8
14,12,1,1,14,11,26,9,-112,28.469,108.274,12.2,928.6
14,12,1,1,14,11,26,8,-113,28.471,108.282,6.1,928.5
14,12,1,1,14,11,26,7,-114,28.473,108.29,0,928.3
14,12,1,1,14,11,26,6,-115,28.476,108.296,0,928.3
14,12,1,1,14,11,26,5,-116,28.478,108.303,0,928.3
14,12,1,1,14,11,26,4,-117,28.481,108.309,0,928.4
14,12,1,1,14,11,26,3,-118,28.484,108.315,0,928.4
14,12,1,1,14,11,26,2,-119,28.486,108.322,0,928.4
14,12,1,1,14,11,26,1,-120,28.489,108.328,0,928.4
14,12,1,1,14,11,26,0,-121,28.493,108.333,0,928.4
14,12,1,1,14,11,25,23,-122,28.496,108.338,0,928.4
14,12,1,1,14,11,25,22,-123,28.5,108.344,0,928.4
14,12,1,1,14,11,25,21,-124,28.503,108.349,0,928.3
14,12,1,1,14,11,25,20,-125,28.507,108.354,0,928.3
14,12,1,1,14,11,25,19,-126,28.51,108.359,0,928.3
14,12,1,1,14,11,25,18,-127,28.514,108.363,0,928.3
14,12,1,1,14,11,25,17,-128,28.518,108.368,0,928.3
14,12,1,1,14,11,25,16,-129,28.522,108.372,0,928.3
14,12,1,1,14,11,25,15,-130,28.526,108.376,0,928.2
14,12,1,1,14,11,25,14,-131,28.53,108.381,0,928.2
14,12,1,1,14,11,25,13,-132,28.534,108.385,0,928.2
14,12,1,1,14,11,25,12,-133,28.539,108.389,0,928.2
14,12,1,1,14,11,25,11,-134,28.544,108.392,0,928.1
14,12,1,1,14,11,25,10,-135,28.549,108.396,0,928.1
14,12,1,1,14,11,25,9,-136,28.554,108.4,0,928
14,12,1,1,14,11,25,8,-137,28.559,108.403,0,928
14,12,1,1,14,11,25,7,-138,28.564,108.407,0,927.9
14,12,1,1,14,11,25,6,-139,28.57,108.411,0,927.9
14,12,1,1,14,11,25,5,-140,28.577,108.414,0,927.8
14,12,1,1,14,11,25,4,-141,28.583,108.417,0,927.8
14,12,1,1,14,11,25,3,-142,28.589,108.421,0,927.7
14,12,1,1,14,11,25,2,-143,28.596,108.425,0,927.6
14,12,1,1,14,11,25,1,-144,28.602,108.428,0,927.6
14,12,1,0,14,12,1,0,0,29.564,106.571,500,906.7
14,12,1,0,14,11,30,23,-1,29.544,106.589,510,904.9
14,12,1,0,14,11,30,22,-2,29.523,106.607,520,903.1
14,12,1,0,14,11,30,21,-3,29.503,106.626,530,901.3
14,12,1,0,14,11,30,20,-4,29.483,106.644,539.9,899.4
14,12,1,0,14,11,30,19,-5,29.462,106.662,549.9,897.6
14,12,1,0,14,11,30,18,-6,29.442,106.68,559.9,895.8
14,12,1,0,14,11,30,17,-7,29.42,106.698,580.2,892.3
14,12,1,0,14,11,30,16,-8,29.398,106.717,600.4,888.8
14,12,1,0,14,11,30,15,-9,29.376,106.735,620.7,885.3
14,12,1,0,14,11,30,14,-10,29.354,106.753,640.9,881.7
14,12,1,0,14,11,30,13,-11,29.332,106.772,661.2,878.2
14,12,1,0,14,11,30,12,-12,29.31,106.79,681.4,874.7
14,12,1,0,14,11,30,11,-13,29.286,106.807,714.8,869.7
14,12,1,0,14,11,30,10,-14,29.262,106.824,748.3,864.7
14,12,1,0,14,11,30,9,-15,29.238,106.841,781.7,859.8
14,12,1,0,14,11,30,8,-16,29.215,106.858,815.1,854.8
14,12,1,0,14,11,30,7,-17,29.191,106.875,848.6,849.8
14,12,1,0,14,11,30,6,-18,29.167,106.892,882,844.8
14,12,1,0,14,11,30,5,-19,29.142,106.906,929.1,838.4
14,12,1,0,14,11,30,4,-20,29.117,106.919,976.1,832
14,12,1,0,14,11,30,3,-21,29.092,106.932,1023.2,825.7
14,12,1,0,14,11,30,2,-22,29.068,106.946,1070.2,819.3
14,12,1,0,14,11,30,1,-23,29.043,106.96,1117.3,812.9
14,12,1,0,14,11,30,0,-24,29.018,106.973,1164.3,806.5
14,12,1,0,14,11,29,23,-25,28.996,106.981,1202.1,800.2
14,12,1,0,14,11,29,22,-26,28.974,106.989,1239.8,793.9
14,12,1,0,14,11,29,21,-27,28.952,106.997,1277.6,787.7
14,12,1,0,14,11,29,20,-28,28.929,107.004,1315.4,781.4
14,12,1,0,14,11,29,19,-29,28.907,107.012,1353.1,775.1
14,12,1,0,14,11,29,18,-30,28.885,107.02,1390.9,768.8
14,12,1,0,14,11,29,17,-31,28.867,107.027,1410.3,767.1
14,12,1,0,14,11,29,16,-32,28.85,107.033,1429.7,765.4
14,12,1,0,14,11,29,15,-33,28.832,107.04,1449.1,763.7
14,12,1,0,14,11,29,14,-34,28.814,107.046,1468.5,761.9
14,12,1,0,14,11,29,13,-35,28.797,107.053,1487.9,760.2
14,12,1,0,14,11,29,12,-36,28.779,107.059,1507.3,758.5
14,12,1,0,14,11,29,11,-37,28.765,107.067,1515.9,758.1
14,12,1,0,14,11,29,10,-38,28.752,107.075,1524.5,757.6
14,12,1,0,14,11,29,9,-39,28.738,107.083,1533.1,757.2
14,12,1,0,14,11,29,8,-40,28.724,107.09,1541.6,756.8
14,12,1,0,14,11,29,7,-41,28.711,107.098,1550.2,756.3
14,12,1,0,14,11,29,6,-42,28.697,107.106,1558.8,755.9
14,12,1,0,14,11,29,5,-43,28.687,107.115,1561.6,755.6
14,12,1,0,14,11,29,4,-44,28.677,107.125,1564.3,755.4
14,12,1,0,14,11,29,3,-45,28.668,107.134,1567.1,755.1
14,12,1,0,14,11,29,2,-46,28.658,107.143,1569.9,754.8
14,12,1,0,14,11,29,1,-47,28.648,107.153,1572.6,754.6
14,12,1,0,14,11,29,0,-48,28.638,107.162,1575.4,754.3
14,12,1,0,14,11,28,23,-49,28.632,107.173,1572.8,754.7
14,12,1,0,14,11,28,22,-50,28.627,107.185,1570.2,755
14,12,1,0,14,11,28,21,-51,28.621,107.196,1567.7,755.4
14,12,1,0,14,11,28,20,-52,28.615,107.207,1565.1,755.7
14,12,1,0,14,11,28,19,-53,28.61,107.219,1562.5,756.1
14,12,1,0,14,11,28,18,-54,28.604,107.23,1559.9,756.4
14,12,1,0,14,11,28,17,-55,28.602,107.243,1552.8,757.3
14,12,1,0,14,11,28,16,-56,28.599,107.256,1545.8,758.1
14,12,1,0,14,11,28,15,-57,28.597,107.27,1538.7,759
14,12,1,0,14,11,28,14,-58,28.594,107.283,1531.6,759.9
14,12,1,0,14,11,28,13,-59,28.592,107.296,1524.6,760.7
14,12,1,0,14,11,28,12,-60,28.589,107.309,1517.5,761.6
14,12,1,0,14,11,28,11,-61,28.589,107.324,1506.6,762.9
14,12,1,0,14,11,28,10,-62,28.588,107.338,1495.6,764.2
14,12,1,0,14,11,28,9,-63,28.588,107.353,1484.7,765.4
14,12,1,0,14,11,28,8,-64,28.588,107.368,1473.7,766.7
14,12,1,0,14,11,28,7,-65,28.587,107.382,1462.8,768
14,12,1,0,14,11,28,6,-66,28.587,107.397,1451.8,769.3
14,12,1,0,14,11,28,5,-67,28.589,107.413,1438.3,770.9
14,12,1,0,14,11,28,4,-68,28.59,107.429,1424.8,772.4
14,12,1,0,14,11,28,3,-69,28.592,107.445,1411.4,774
14,12,1,0,14,11,28,2,-70,28.593,107.46,1397.9,775.6
14,12,1,0,14,11,28,1,-71,28.595,107.476,1384.4,777.1
14,12,1,0,14,11,28,0,-72,28.596,107.492,1370.9,778.7
14,12,1,0,14,11,27,23,-73,28.602,107.508,1356.6,780.3
14,12,1,0,14,11,27,22,-74,28.607,107.524,1342.3,781.9
14,12,1,0,14,11,27,21,-75,28.613,107.541,1328,783.5
14,12,1,0,14,11,27,20,-76,28.618,107.557,1313.6,785
14,12,1,0,14,11,27,19,-77,28.624,107.573,1299.3,786.6
14,12,1,0,14,11,27,18,-78,28.629,107.589,1285,788.2
14,12,1,0,14,11,27,17,-79,28.64,107.605,1270.5,789.7
14,12,1,0,14,11,27,16,-80,28.651,107.621,1255.9,791.2
14,12,1,0,14,11,27,15,-81,28.662,107.637,1241.4,792.7
14,12,1,0,14,11,27,14,-82,28.674,107.652,1226.8,794.2
14,12,1,0,14,11,27,13,-83,28.685,107.668,1212.3,795.7
14,12,1,0,14,11,27,12,-84,28.696,107.684,1197.7,797.2
14,12,1,0,14,11,27,11,-85,28.712,107.698,1180.7,798.8
14,12,1,0,14,11,27,10,-86,28.728,107.712,1163.7,800.4
14,12,1,0,14,11,27,9,-87,28.744,107.727,1146.6,802
14,12,1,0,14,11,27,8,-88,28.76,107.741,1129.6,803.5
14,12,1,0,14,11,27,7,-89,28.776,107.755,1112.6,805.1
14,12,1,0,14,11,27,6,-90,28.792,107.769,1095.6,806.7
14,12,1,0,14,11,27,5,-91,28.809,107.779,1075.8,808.7
14,12,1,0,14,11,27,4,-92,28.826,107.789,1055.9,810.6
14,12,1,0,14,11,27,3,-93,28.843,107.799,1036.1,812.6
14,12,1,0,14,11,27,2,-94,28.86,107.809,1016.2,814.5
14,12,1,0,14,11,27,1,-95,28.877,107.819,996.4,816.5
14,12,1,0,14,11,27,0,-96,28.894,107.829,976.5,818.4
14,12,1,0,14,11,26,23,-97,28.908,107.833,956.3,820.5
14,12,1,0,14,11,26,22,-98,28.923,107.837,936.1,822.6
14,12,1,0,14,11,26,21,-99,28.937,107.842,915.9,824.8
14,12,1,0,14,11,26,20,-100,28.951,107.846,895.7,826.9
14,12,1,0,14,11,26,19,-101,28.966,107.85,875.5,829
14,12,1,0,14,11,26,18,-102,28.98,107.854,855.3,831.1
14,12,1,0,14,11,26,17,-103,28.993,107.853,836.5,833.1
14,12,1,0,14,11,26,16,-104,29.006,107.852,817.6,835.1
14,12,1,0,14,11,26,15,-105,29.019,107.85,798.8,837.1
14,12,1,0,14,11,26,14,-106,29.031,107.849,780,839
14,12,1,0,14,11,26,13,-107,29.044,107.848,761.1,841
14,12,1,0,14,11,26,12,-108,29.057,107.847,742.3,843
14,12,1,0,14,11,26,11,-109,29.069,107.842,726.6,845
14,12,1,0,14,11,26,10,-110,29.081,107.838,710.8,847
14,12,1,0,14,11,26,9,-111,29.093,107.833,695.1,849
14,12,1,0,14,11,26,8,-112,29.105,107.828,679.3,850.9
14,12,1,0,14,11,26,7,-113,29.117,107.824,663.6,852.9
14,12,1,0,14,11,26,6,-114,29.129,107.819,647.8,854.9
14,12,1,0,14,11,26,5,-115,29.14,107.812,636.2,856.3
14,12,1,0,14,11,26,4,-116,29.151,107.806,624.6,857.7
14,12,1,0,14,11,26,3,-117,29.162,107.799,613.1,859.1
14,12,1,0,14,11,26,2,-118,29.173,107.792,601.5,860.5
14,12,1,0,14,11,26,1,-119,29.184,107.786,589.9,861.9
14,12,1,0,14,11,26,0,-120,29.195,107.779,578.3,863.3
14,12,1,0,14,11,25,23,-121,29.205,107.771,570.9,864.3
14,12,1,0,14,11,25,22,-122,29.215,107.762,563.6,865.3
14,12,1,0,14,11,25,21,-123,29.226,107.753,556.2,866.3
14,12,1,0,14,11,25,20,-124,29.236,107.745,548.8,867.2
14,12,1,0,14,11,25,19,-125,29.246,107.736,541.5,868.2
14,12,1,0,14,11,25,18,-126,29.256,107.728,534.1,869.2
14,12,1,0,14,11,25,17,-127,29.266,107.718,529.7,869.8
14,12,1,0,14,11,25,16,-128,29.277,107.709,525.3,870.3
14,12,1,0,14,11,25,15,-129,29.287,107.699,520.9,870.9
14,12,1,0,14,11,25,14,-130,29.297,107.689,516.4,871.5
14,12,1,0,14,11,25,13,-131,29.308,107.68,512,872
14,12,1,0,14,11,25,12,-132,29.318,107.67,507.6,872.6
14,12,1,0,14,11,25,11,-133,29.329,107.66,504.4,873.2
14,12,1,0,14,11,25,10,-134,29.34,107.651,501.2,873.8
14,12,1,0,14,11,25,9,-135,29.351,107.641,498.1,874.4
14,12,1,0,14,11,25,8,-136,29.361,107.631,494.9,874.9
14,12,1,0,14,11,25,7,-137,29.372,107.622,491.7,875.5
14,12,1,0,14,11,25,6,-138,29.383,107.612,488.5,876.1
14,12,1,0,14,11,25,5,-139,29.394,107.602,485.6,876.7
14,12,1,0,14,11,25,4,-140,29.405,107.593,482.7,877.3
14,12,1,0,14,11,25,3,-141,29.416,107.583,479.9,877.9
14,12,1,0,14,11,25,2,-142,29.426,107.573,477,878.5
14,12,1,0,14,11,25,1,-143,29.437,107.564,474.1,879.1
14,12,1,0,14,11,25,0,-144,29.448,107.554,471.2,879.7

星期八

给老师，问题我已经解决了，是我的格式不对，0到-144需要改为0.0 -144.0

andy61

谢谢楼主分享经验！