subcaption の例

図\ref{reg_poly}に，正多面体 (regular polyhedron) の様子を示します．このう
ち，正4面体(図\ref{poly04})と正8面体(図\ref{poly08})，正20面体(図
\ref{poly20})が，各面が正三角形で構成されます．\subref{poly04}

\begin{figure}[h]
 \begin{minipage}[b]{0.32\linewidth}
  \centering
  \includegraphics[keepaspectratio, scale=0.3]
  {polyhedron/Tetrahedron.pdf}
  \subcaption{正4面体}\label{poly04}
 \end{minipage}
 \begin{minipage}[b]{0.32\linewidth}
  \centering
  \includegraphics[keepaspectratio, scale=0.3]
  {polyhedron/Hexahedron.pdf}
  \subcaption{正6面体}\label{poly06}
 \end{minipage}
 \begin{minipage}[b]{0.32\linewidth}
  \centering
  \includegraphics[keepaspectratio, scale=0.3]
  {polyhedron/Octahedron.pdf}
  \subcaption{正8面体}\label{poly08}
 \end{minipage}\\
 \begin{minipage}[b]{0.32\linewidth}
  \centering
  \includegraphics[keepaspectratio, scale=0.3]
  {polyhedron/Dodecahedron.pdf}
  \subcaption{正12面体}\label{poly12}
 \end{minipage}
 \begin{minipage}[b]{0.32\linewidth}
  \centering
  \includegraphics[keepaspectratio, scale=0.3]
  {polyhedron/Icosahedron.pdf}
  \subcaption{正20面体}\label{poly20}
 \end{minipage}
 \caption{正多面体}\label{reg_poly}
\end{figure}