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小木虫论坛-学术科研互动平台 » 化学化工区 » 电化学 » 电分析测试 » 【求助】大侠帮忙拟合个EIS图
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ldy1985

木虫 (正式写手)

[交流] 【求助】大侠帮忙拟合个EIS图


数据如下：
Freq/Hz,   Z'/ohm,   Z"/ohm,   Z/ohm,   Phase/deg

9.668e+4, 5.517e+1, -3.976e+1, 6.800e+1, -35.8
8.105e+4, 6.079e+1, -3.763e+1, 7.150e+1, -31.8
6.641e+4, 6.662e+1, -3.494e+1, 7.522e+1, -27.7
5.469e+4, 7.107e+1, -3.203e+1, 7.795e+1, -24.3
4.590e+4, 7.461e+1, -2.955e+1, 8.025e+1, -21.6
3.711e+4, 7.825e+1, -2.615e+1, 8.250e+1, -18.5
3.125e+4, 8.001e+1, -2.436e+1, 8.363e+1, -16.9
2.539e+4, 8.289e+1, -2.221e+1, 8.581e+1, -15.0
2.148e+4, 8.501e+1, -2.080e+1, 8.752e+1, -13.7
1.758e+4, 8.687e+1, -1.890e+1, 8.890e+1, -12.3
1.465e+4, 8.861e+1, -1.761e+1, 9.034e+1, -11.2
1.172e+4, 8.998e+1, -1.655e+1, 9.149e+1, -10.4
9.668e+3, 9.168e+1, -1.525e+1, 9.294e+1, -9.4
8.105e+3, 9.312e+1, -1.458e+1, 9.425e+1, -8.9
6.641e+3, 9.453e+1, -1.399e+1, 9.556e+1, -8.4
5.469e+3, 9.590e+1, -1.341e+1, 9.683e+1, -8.0
4.590e+3, 9.712e+1, -1.307e+1, 9.800e+1, -7.7
3.711e+3, 9.861e+1, -1.270e+1, 9.942e+1, -7.3
3.125e+3, 9.973e+1, -1.248e+1, 1.005e+2, -7.1
2.539e+3, 1.010e+2, -1.231e+1, 1.018e+2, -6.9
2.148e+3, 1.021e+2, -1.226e+1, 1.028e+2, -6.8
1.758e+3, 1.033e+2, -1.228e+1, 1.040e+2, -6.8
1.465e+3, 1.043e+2, -1.249e+1, 1.051e+2, -6.8
1.172e+3, 1.055e+2, -1.286e+1, 1.063e+2, -6.9
9.668e+2, 1.061e+2, -1.256e+1, 1.069e+2, -6.7
8.105e+2, 1.071e+2, -1.326e+1, 1.079e+2, -7.1
6.641e+2, 1.082e+2, -1.434e+1, 1.092e+2, -7.6
5.469e+2, 1.094e+2, -1.549e+1, 1.105e+2, -8.1
4.590e+2, 1.104e+2, -1.687e+1, 1.117e+2, -8.7
3.711e+2, 1.117e+2, -1.884e+1, 1.133e+2, -9.6
3.125e+2, 1.130e+2, -2.075e+1, 1.149e+2, -10.4
2.539e+2, 1.146e+2, -2.345e+1, 1.170e+2, -11.6
2.148e+2, 1.160e+2, -2.609e+1, 1.189e+2, -12.7
1.758e+2, 1.180e+2, -2.978e+1, 1.217e+2, -14.2
1.465e+2, 1.202e+2, -3.368e+1, 1.249e+2, -15.6
1.172e+2, 1.234e+2, -3.921e+1, 1.295e+2, -17.6
9.766e+1, 1.269e+2, -4.475e+1, 1.346e+2, -19.4
8.138e+1, 1.309e+2, -5.096e+1, 1.404e+2, -21.3
6.975e+1, 1.358e+2, -5.792e+1, 1.476e+2, -23.1
5.744e+1, 1.413e+2, -6.526e+1, 1.557e+2, -24.8
4.650e+1, 1.479e+2, -7.307e+1, 1.649e+2, -26.3
3.756e+1, 1.547e+2, -8.152e+1, 1.749e+2, -27.8
3.150e+1, 1.622e+2, -9.049e+1, 1.857e+2, -29.2
2.570e+1, 1.701e+2, -1.005e+2, 1.976e+2, -30.6
2.123e+1, 1.781e+2, -1.120e+2, 2.104e+2, -32.2
1.744e+1, 1.865e+2, -1.255e+2, 2.248e+2, -33.9
1.436e+1, 1.956e+2, -1.415e+2, 2.414e+2, -35.9
1.191e+1, 2.056e+2, -1.606e+2, 2.609e+2, -38.0
9.766e+0, 2.179e+2, -1.828e+2, 2.844e+2, -40.0
8.071e+0, 2.306e+2, -2.095e+2, 3.115e+2, -42.3
6.643e+0, 2.465e+2, -2.425e+2, 3.458e+2, -44.5
5.486e+0, 2.658e+2, -2.813e+2, 3.870e+2, -46.6
4.542e+0, 2.891e+2, -3.263e+2, 4.359e+2, -48.5
3.742e+0, 3.171e+2, -3.795e+2, 4.945e+2, -50.1
3.090e+0, 3.513e+2, -4.359e+2, 5.598e+2, -51.1
2.550e+0, 4.012e+2, -5.098e+2, 6.487e+2, -51.8
2.105e+0, 4.604e+2, -5.793e+2, 7.399e+2, -51.5
1.738e+0, 5.543e+2, -6.830e+2, 8.796e+2, -50.9
1.434e+0, 6.575e+2, -7.495e+2, 9.970e+2, -48.7
1.184e+0, 7.748e+2, -8.054e+2, 1.118e+3, -46.1
9.766e-1, 9.180e+2, -8.449e+2, 1.248e+3, -42.6
8.071e-1, 1.067e+3, -8.611e+2, 1.371e+3, -38.9
6.643e-1, 1.230e+3, -8.503e+2, 1.495e+3, -34.7
5.486e-1, 1.385e+3, -8.026e+2, 1.601e+3, -30.1
4.542e-1, 1.517e+3, -7.326e+2, 1.684e+3, -25.8
3.742e-1, 1.632e+3, -6.409e+2, 1.753e+3, -21.4
3.090e-1, 1.719e+3, -5.437e+2, 1.803e+3, -17.5
2.550e-1, 1.781e+3, -4.409e+2, 1.835e+3, -13.9
2.105e-1, 1.821e+3, -3.441e+2, 1.853e+3, -10.7
1.738e-1, 1.848e+3, -2.538e+2, 1.866e+3, -7.8
1.434e-1, 1.859e+3, -1.727e+2, 1.867e+3, -5.3
1.184e-1, 1.860e+3, -1.023e+2, 1.863e+3, -3.1
9.766e-2, 1.860e+3, -4.055e+1, 1.860e+3, -1.2
8.071e-2, 1.858e+3, 1.159e+1, 1.858e+3, 0.4
6.643e-2, 1.849e+3, 5.852e+1, 1.849e+3, 1.8
5.486e-2, 1.846e+3, 1.007e+2, 1.849e+3, 3.1
4.542e-2, 1.845e+3, 1.383e+2, 1.851e+3, 4.3
3.742e-2, 1.840e+3, 1.682e+2, 1.848e+3, 5.2
3.090e-2, 1.840e+3, 1.993e+2, 1.851e+3, 6.2
2.550e-2, 1.840e+3, 2.247e+2, 1.854e+3, 7.0
2.105e-2, 1.843e+3, 2.454e+2, 1.859e+3, 7.6
1.738e-2, 1.844e+3, 2.598e+2, 1.862e+3, 8.0
1.434e-2, 1.841e+3, 2.694e+2, 1.861e+3, 8.3
1.184e-2, 1.839e+3, 2.688e+2, 1.858e+3, 8.3


数据如下：
Freq/Hz,   Z'/ohm,   Z"/ohm,   Z/ohm,   Phase/deg

9.668e+4, 5.539e+1, -3.884e+1, 6.765e+1, -35.0
8.105e+4, 6.087e+1, -3.682e+1, 7.114e+1, -31.2
6.641e+4, 6.657e+1, -3.424e+1, 7.486e+1, -27.2
5.469e+4, 7.098e+1, -3.145e+1, 7.763e+1, -23.9
4.590e+4, 7.449e+1, -2.907e+1, 7.996e+1, -21.3
3.711e+4, 7.808e+1, -2.577e+1, 8.222e+1, -18.3
3.125e+4, 7.985e+1, -2.403e+1, 8.339e+1, -16.7
2.539e+4, 8.271e+1, -2.192e+1, 8.557e+1, -14.8
2.148e+4, 8.483e+1, -2.053e+1, 8.728e+1, -13.6
1.758e+4, 8.669e+1, -1.865e+1, 8.867e+1, -12.1
1.465e+4, 8.842e+1, -1.734e+1, 9.010e+1, -11.1
1.172e+4, 8.980e+1, -1.625e+1, 9.126e+1, -10.3
9.668e+3, 9.093e+1, -1.487e+1, 9.213e+1, -9.3
8.105e+3, 9.226e+1, -1.420e+1, 9.334e+1, -8.7
6.641e+3, 9.362e+1, -1.360e+1, 9.460e+1, -8.3
5.469e+3, 9.493e+1, -1.302e+1, 9.582e+1, -7.8
4.590e+3, 9.606e+1, -1.268e+1, 9.689e+1, -7.5
3.711e+3, 9.742e+1, -1.234e+1, 9.820e+1, -7.2
3.125e+3, 9.850e+1, -1.214e+1, 9.924e+1, -7.0
2.539e+3, 9.969e+1, -1.202e+1, 1.004e+2, -6.9
2.148e+3, 1.007e+2, -1.206e+1, 1.014e+2, -6.8
1.758e+3, 1.018e+2, -1.216e+1, 1.025e+2, -6.8
1.465e+3, 1.028e+2, -1.249e+1, 1.036e+2, -6.9
1.172e+3, 1.040e+2, -1.301e+1, 1.048e+2, -7.1
9.668e+2, 1.041e+2, -1.285e+1, 1.049e+2, -7.0
8.105e+2, 1.051e+2, -1.371e+1, 1.060e+2, -7.4
6.641e+2, 1.062e+2, -1.498e+1, 1.073e+2, -8.0
5.469e+2, 1.075e+2, -1.635e+1, 1.087e+2, -8.7
4.590e+2, 1.086e+2, -1.793e+1, 1.101e+2, -9.4
3.711e+2, 1.101e+2, -2.015e+1, 1.119e+2, -10.4
3.125e+2, 1.116e+2, -2.231e+1, 1.138e+2, -11.3
2.539e+2, 1.135e+2, -2.526e+1, 1.163e+2, -12.5
2.148e+2, 1.153e+2, -2.812e+1, 1.187e+2, -13.7
1.758e+2, 1.179e+2, -3.200e+1, 1.221e+2, -15.2
1.465e+2, 1.208e+2, -3.602e+1, 1.260e+2, -16.6
1.172e+2, 1.250e+2, -4.146e+1, 1.317e+2, -18.4
9.766e+1, 1.297e+2, -4.654e+1, 1.378e+2, -19.7
8.138e+1, 1.349e+2, -5.195e+1, 1.446e+2, -21.1
6.975e+1, 1.410e+2, -5.769e+1, 1.524e+2, -22.2
5.744e+1, 1.478e+2, -6.355e+1, 1.609e+2, -23.3
4.650e+1, 1.550e+2, -6.938e+1, 1.698e+2, -24.1
3.756e+1, 1.636e+2, -7.582e+1, 1.803e+2, -24.9
3.150e+1, 1.725e+2, -8.265e+1, 1.913e+2, -25.6
2.570e+1, 1.825e+2, -9.004e+1, 2.035e+2, -26.3
2.123e+1, 1.940e+2, -9.816e+1, 2.174e+2, -26.8
1.744e+1, 2.075e+2, -1.068e+2, 2.333e+2, -27.2
1.436e+1, 2.233e+2, -1.155e+2, 2.514e+2, -27.4
1.191e+1, 2.421e+2, -1.236e+2, 2.718e+2, -27.0
9.766e+0, 2.645e+2, -1.301e+2, 2.948e+2, -26.2
8.071e+0, 2.888e+2, -1.343e+2, 3.185e+2, -24.9
6.643e+0, 3.171e+2, -1.337e+2, 3.441e+2, -22.9
5.486e+0, 3.444e+2, -1.277e+2, 3.673e+2, -20.3
4.542e+0, 3.712e+2, -1.130e+2, 3.880e+2, -16.9
3.742e+0, 3.954e+2, -9.382e+1, 4.064e+2, -13.3
3.090e+0, 4.115e+2, -7.000e+1, 4.174e+2, -9.7
2.550e+0, 4.191e+2, -4.241e+1, 4.212e+2, -5.8
2.105e+0, 4.203e+2, -1.653e+1, 4.206e+2, -2.3
1.738e+0, 4.084e+2, 6.628e+0, 4.085e+2, 0.9
1.434e+0, 3.971e+2, 2.459e+1, 3.979e+2, 3.5
1.184e+0, 3.824e+2, 3.859e+1, 3.843e+2, 5.8
9.766e-1, 3.681e+2, 4.878e+1, 3.713e+2, 7.5
8.071e-1, 3.538e+2, 5.383e+1, 3.579e+2, 8.7
6.643e-1, 3.401e+2, 5.529e+1, 3.446e+2, 9.2
5.486e-1, 3.289e+2, 5.472e+1, 3.334e+2, 9.4
4.542e-1, 3.203e+2, 5.214e+1, 3.245e+2, 9.2
3.742e-1, 3.134e+2, 4.896e+1, 3.172e+2, 8.9
3.090e-1, 3.076e+2, 4.513e+1, 3.109e+2, 8.3
2.550e-1, 3.039e+2, 4.066e+1, 3.066e+2, 7.6
2.105e-1, 3.017e+2, 3.643e+1, 3.039e+2, 6.9
1.738e-1, 3.008e+2, 3.230e+1, 3.026e+2, 6.1
1.434e-1, 3.012e+2, 2.799e+1, 3.025e+2, 5.3
1.184e-1, 3.040e+2, 2.453e+1, 3.050e+2, 4.6
9.766e-2, 3.070e+2, 2.087e+1, 3.077e+2, 3.9
8.071e-2, 3.124e+2, 1.645e+1, 3.128e+2, 3.0
6.643e-2, 3.198e+2, 1.265e+1, 3.200e+2, 2.3
5.486e-2, 3.305e+2, 7.558e+0, 3.306e+2, 1.3
4.542e-2, 3.417e+2, 2.754e+0, 3.417e+2, 0.5
3.742e-2, 3.601e+2, -1.502e+0, 3.601e+2, -0.2
3.090e-2, 3.785e+2, -5.701e+0, 3.785e+2, -0.9
2.550e-2, 3.944e+2, -8.915e+0, 3.945e+2, -1.3
2.105e-2, 4.113e+2, -1.107e+1, 4.115e+2, -1.5
1.738e-2, 4.310e+2, -1.341e+1, 4.312e+2, -1.8
1.434e-2, 4.470e+2, -1.745e+1, 4.473e+2, -2.2
1.184e-2, 4.707e+2, -2.230e+1, 4.712e+2, -2.7

低频段，在0以下，应该算有个电感，那应该怎么放了？
帮忙拟合一下

[ Last edited by ldy1985 on 2010-8-29 at 21:15 ]
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1楼 2010-08-29 20:15:31
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zlin

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好吧，我再尝试一下，然后告诉你结果
引用回帖:
Originally posted by ldy1985 at 2010-08-30 08:50:36:

这个高频设置已经达到仪器极限了
可以把前面那段去掉，我主要关注的是低频段
麻烦了

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只有初恋般的热情和宗教般的意志，人才有可能成就某种事业——路遥
7楼2010-08-30 14:00:51
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zlin

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这个现象很正常，你只要在等效电路中选择一个感抗元件就可以了，如电感L，或者选用常相位Q亦可
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只有初恋般的热情和宗教般的意志，人才有可能成就某种事业——路遥
2楼2010-08-29 20:36:42
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zlin

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你没有给数据，怎么拟合呢？
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只有初恋般的热情和宗教般的意志，人才有可能成就某种事业——路遥
3楼2010-08-29 20:37:00
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ldy1985

木虫 (正式写手)
引用回帖:
Originally posted by zlin at 2010-08-29 20:37:00:
你没有给数据，怎么拟合呢？

不好意思，忘了
Freq/Hz,   Z'/ohm,   Z"/ohm,   Z/ohm,   Phase/deg

9.668e+4, 5.517e+1, -3.976e+1, 6.800e+1, -35.8
8.105e+4, 6.079e+1, -3.763e+1, 7.150e+1, -31.8
6.641e+4, 6.662e+1, -3.494e+1, 7.522e+1, -27.7
5.469e+4, 7.107e+1, -3.203e+1, 7.795e+1, -24.3
4.590e+4, 7.461e+1, -2.955e+1, 8.025e+1, -21.6
3.711e+4, 7.825e+1, -2.615e+1, 8.250e+1, -18.5
3.125e+4, 8.001e+1, -2.436e+1, 8.363e+1, -16.9
2.539e+4, 8.289e+1, -2.221e+1, 8.581e+1, -15.0
2.148e+4, 8.501e+1, -2.080e+1, 8.752e+1, -13.7
1.758e+4, 8.687e+1, -1.890e+1, 8.890e+1, -12.3
1.465e+4, 8.861e+1, -1.761e+1, 9.034e+1, -11.2
1.172e+4, 8.998e+1, -1.655e+1, 9.149e+1, -10.4
9.668e+3, 9.168e+1, -1.525e+1, 9.294e+1, -9.4
8.105e+3, 9.312e+1, -1.458e+1, 9.425e+1, -8.9
6.641e+3, 9.453e+1, -1.399e+1, 9.556e+1, -8.4
5.469e+3, 9.590e+1, -1.341e+1, 9.683e+1, -8.0
4.590e+3, 9.712e+1, -1.307e+1, 9.800e+1, -7.7
3.711e+3, 9.861e+1, -1.270e+1, 9.942e+1, -7.3
3.125e+3, 9.973e+1, -1.248e+1, 1.005e+2, -7.1
2.539e+3, 1.010e+2, -1.231e+1, 1.018e+2, -6.9
2.148e+3, 1.021e+2, -1.226e+1, 1.028e+2, -6.8
1.758e+3, 1.033e+2, -1.228e+1, 1.040e+2, -6.8
1.465e+3, 1.043e+2, -1.249e+1, 1.051e+2, -6.8
1.172e+3, 1.055e+2, -1.286e+1, 1.063e+2, -6.9
9.668e+2, 1.061e+2, -1.256e+1, 1.069e+2, -6.7
8.105e+2, 1.071e+2, -1.326e+1, 1.079e+2, -7.1
6.641e+2, 1.082e+2, -1.434e+1, 1.092e+2, -7.6
5.469e+2, 1.094e+2, -1.549e+1, 1.105e+2, -8.1
4.590e+2, 1.104e+2, -1.687e+1, 1.117e+2, -8.7
3.711e+2, 1.117e+2, -1.884e+1, 1.133e+2, -9.6
3.125e+2, 1.130e+2, -2.075e+1, 1.149e+2, -10.4
2.539e+2, 1.146e+2, -2.345e+1, 1.170e+2, -11.6
2.148e+2, 1.160e+2, -2.609e+1, 1.189e+2, -12.7
1.758e+2, 1.180e+2, -2.978e+1, 1.217e+2, -14.2
1.465e+2, 1.202e+2, -3.368e+1, 1.249e+2, -15.6
1.172e+2, 1.234e+2, -3.921e+1, 1.295e+2, -17.6
9.766e+1, 1.269e+2, -4.475e+1, 1.346e+2, -19.4
8.138e+1, 1.309e+2, -5.096e+1, 1.404e+2, -21.3
6.975e+1, 1.358e+2, -5.792e+1, 1.476e+2, -23.1
5.744e+1, 1.413e+2, -6.526e+1, 1.557e+2, -24.8
4.650e+1, 1.479e+2, -7.307e+1, 1.649e+2, -26.3
3.756e+1, 1.547e+2, -8.152e+1, 1.749e+2, -27.8
3.150e+1, 1.622e+2, -9.049e+1, 1.857e+2, -29.2
2.570e+1, 1.701e+2, -1.005e+2, 1.976e+2, -30.6
2.123e+1, 1.781e+2, -1.120e+2, 2.104e+2, -32.2
1.744e+1, 1.865e+2, -1.255e+2, 2.248e+2, -33.9
1.436e+1, 1.956e+2, -1.415e+2, 2.414e+2, -35.9
1.191e+1, 2.056e+2, -1.606e+2, 2.609e+2, -38.0
9.766e+0, 2.179e+2, -1.828e+2, 2.844e+2, -40.0
8.071e+0, 2.306e+2, -2.095e+2, 3.115e+2, -42.3
6.643e+0, 2.465e+2, -2.425e+2, 3.458e+2, -44.5
5.486e+0, 2.658e+2, -2.813e+2, 3.870e+2, -46.6
4.542e+0, 2.891e+2, -3.263e+2, 4.359e+2, -48.5
3.742e+0, 3.171e+2, -3.795e+2, 4.945e+2, -50.1
3.090e+0, 3.513e+2, -4.359e+2, 5.598e+2, -51.1
2.550e+0, 4.012e+2, -5.098e+2, 6.487e+2, -51.8
2.105e+0, 4.604e+2, -5.793e+2, 7.399e+2, -51.5
1.738e+0, 5.543e+2, -6.830e+2, 8.796e+2, -50.9
1.434e+0, 6.575e+2, -7.495e+2, 9.970e+2, -48.7
1.184e+0, 7.748e+2, -8.054e+2, 1.118e+3, -46.1
9.766e-1, 9.180e+2, -8.449e+2, 1.248e+3, -42.6
8.071e-1, 1.067e+3, -8.611e+2, 1.371e+3, -38.9
6.643e-1, 1.230e+3, -8.503e+2, 1.495e+3, -34.7
5.486e-1, 1.385e+3, -8.026e+2, 1.601e+3, -30.1
4.542e-1, 1.517e+3, -7.326e+2, 1.684e+3, -25.8
3.742e-1, 1.632e+3, -6.409e+2, 1.753e+3, -21.4
3.090e-1, 1.719e+3, -5.437e+2, 1.803e+3, -17.5
2.550e-1, 1.781e+3, -4.409e+2, 1.835e+3, -13.9
2.105e-1, 1.821e+3, -3.441e+2, 1.853e+3, -10.7
1.738e-1, 1.848e+3, -2.538e+2, 1.866e+3, -7.8
1.434e-1, 1.859e+3, -1.727e+2, 1.867e+3, -5.3
1.184e-1, 1.860e+3, -1.023e+2, 1.863e+3, -3.1
9.766e-2, 1.860e+3, -4.055e+1, 1.860e+3, -1.2
8.071e-2, 1.858e+3, 1.159e+1, 1.858e+3, 0.4
6.643e-2, 1.849e+3, 5.852e+1, 1.849e+3, 1.8
5.486e-2, 1.846e+3, 1.007e+2, 1.849e+3, 3.1
4.542e-2, 1.845e+3, 1.383e+2, 1.851e+3, 4.3
3.742e-2, 1.840e+3, 1.682e+2, 1.848e+3, 5.2
3.090e-2, 1.840e+3, 1.993e+2, 1.851e+3, 6.2
2.550e-2, 1.840e+3, 2.247e+2, 1.854e+3, 7.0
2.105e-2, 1.843e+3, 2.454e+2, 1.859e+3, 7.6
1.738e-2, 1.844e+3, 2.598e+2, 1.862e+3, 8.0
1.434e-2, 1.841e+3, 2.694e+2, 1.861e+3, 8.3
1.184e-2, 1.839e+3, 2.688e+2, 1.858e+3, 8.3
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