如何添加其他 x 轴但具有不同的比例和颜色（matplotlib）

我有以下情节：

三行中的每一行都属于不同的 x 轴比例。例如，全连接线的 x 轴应介于 0.001 和 0.02 之间；kNN 线的 x 轴的范围应在 2 到 40 之间。我想消除当前的 x 轴并拥有三个 x 轴，一个在另一个下方，每个轴的缩放比例和颜色都不同。

这是我的代码：

## Plot means
x_full = np.linspace(0.001, 0.02, 20)
x_enn = np.linspace(0.05, 1.95, 20)
x_knn = np.linspace(2, 40, 20)
x = np.arange(len(x_full))

fig, ax = plt.subplots(1, 2, figsize=(13.2, 4))

## Set color
ax[0].set_prop_cycle(color=color_list)
ax[1].set_prop_cycle(color=color_list)

## Plot means
ax[0].plot(x, two_moons_acc_mean['full'], label='Fully Connected')
ax[0].plot(x[1:], two_moons_acc_mean['enn'][0.1:], label=r'$\epsilon$-N')
ax[0].plot(x, two_moons_acc_mean['knn'], label=r'$k$NN')

ax[1].plot(x, two_moons_acc_mean['full'], label='Fully Connected')
ax[1].plot(x[1:], two_moons_acc_mean['enn'][0.1:], label=r'$\epsilon$-N')
ax[1].plot(x, two_moons_acc_mean['knn'], label=r'$k$NN')

## Plot standard deviations
ax[0].fill_between(
    x,
    two_moons_acc_mean['full'] - two_moons_acc_std['full'],
    two_moons_acc_mean['full'] + two_moons_acc_std['full'],
    alpha=0.2
)
ax[0].fill_between(
    x[1:],
    two_moons_acc_mean['enn'][0.1:] - two_moons_acc_std['enn'][0.1:],
    two_moons_acc_mean['enn'][0.1:] + two_moons_acc_std['enn'][0.1:],
    alpha=0.2
)
ax[0].fill_between(
    x,
    two_moons_acc_mean['knn'] - two_moons_acc_std['knn'],
    two_moons_acc_mean['knn'] + two_moons_acc_std['knn'],
    alpha=0.2
)

ax[1].fill_between(
    x,
    two_moons_acc_mean['full'] - two_moons_acc_std['full'],
    two_moons_acc_mean['full'] + two_moons_acc_std['full'],
    alpha=0.2
)
ax[1].fill_between(
    x[1:],
    two_moons_acc_mean['enn'][0.1:] - two_moons_acc_std['enn'][0.1:],
    two_moons_acc_mean['enn'][0.1:] + two_moons_acc_std['enn'][0.1:],
    alpha=0.2
)
ax[1].fill_between(
    x,
    two_moons_acc_mean['knn'] - two_moons_acc_std['knn'],
    two_moons_acc_mean['knn'] + two_moons_acc_std['knn'],
    alpha=0.2
)

## Loglog plot
ax[1].set_xscale('log')
ax[1].set_yscale('log')

## Add Legend
ax[0].legend(loc='lower left', ncol=3, frameon=False)
ax[1].legend(loc='lower left', ncol=3, frameon=False)