\begin{table}%t3
\caption{\label{tab:mflcnvz}Root mean square fluctuation amplitudes within the convection zone.}
\par
\small%\centerline
 {
\begin{tabular}{l|c|cccc}  
\hline\hline  
%&&&&& \\[-8pt]
pos & Run 
& $T{'} / \langle T \rangle$ 
& $\rho{'} / \langle \rho \rangle$ 
& $^{4}$He${'} / \langle ^{4}$He$\rangle$
& $^{12}$C${'} / \langle ^{12}$C$\rangle$
\\ 
\hline 
&hefl.3d & 0.00058 & 0.00015 & 0.00009 &  0.01433  \\[-0.2ex]
\raisebox{1.5ex}{cnvz} \raisebox{1.5ex}
&hefl.2d.a & 0.00074 & 0.00021 & 0.00007  & 0.01272  \\[0.5ex]
\hline
\end{tabular}}
\medskip
Temperature~$T{'} / \langle T \rangle$, density~$\rho{'} / \langle \rho \rangle$, helium mass fraction~$^{4}$He${'} / \langle ^{4}$He$\rangle$, and carbon mass fraction~$^{12}$C${'} /
  \langle ^{12}$C$\rangle$, respectively.
\end{table}