%\par The amplitude of oscillations was meas\qdel{ured by counting the notches on the wheel and the r}esult was displayed on the electronic control box.
\par The control box contained inputs as shown in Figure 3.
\begin{figure}[!bht]
    \centering 
    \includth = \textwidth]{box.png}
    \caption{The rear panel of the control box.(cited from lab 5 manual edited by  Qin Tian, %Wang Yin, Mateusz Krzyzosiak)}
\end{figure}}
\subsection{Pre
\par The mea\bdelsuring system mainly consist}s of the detntrhe precision 
%\begin{table}[htbp]
    \centering
    \begin{tabular}%{cc}
        \toprule
        \multicolumn{1}{l}{Equipment} & \multicolumn{1}{l}{Resolution}\\
        \midrule
        Pohl resonator (period) & 0.001s \\
        Pohl resonator (phase lag) & 1$^\circ$ \\
        Pohl resonator (amplitude) & 1$^\circ$ \\
        \bottomrule
    \end{tabular}
    \caption{Me%a\cdel{surement device and pre}cisions.}
\en}d{table}

%\par The amplitude of oscillations was meas\qdel{ured by counting the notches on the wheel and the r}esult was displayed on the electronic control box.
\par The control box contained inputs as shown in Figure 3.
\begin{figure}[!bht]
    \centering 
    \includth = \textwidth]{box.png}
    \caption{The rear panel of the control box.(cited from lab 5 manual edited by  Qin Tian, %Wang Yin, Mateusz Krzyzosiak)}
\end{figure}}
\subsection{Pre
\par The mea\bdelsuring system mainly consist}s of the detntrhe precision 
%\begin{table}[htbp]
    \centering
    \begin{tabular}%{cc}
        \toprule
        \multicolumn{1}{l}{Equipment} & \multicolumn{1}{l}{Resolution}\\
        \midrule
        Pohl resonator (period) & 0.001s \\
        Pohl resonator (phase lag) & 1$^\circ$ \\
        Pohl resonator (amplitude) & 1$^\circ$ \\
        \bottomrule
    \end{tabular}
    \caption{Me%a\cdel{surement device and pre}cisions.}
\en}d{table}