\begin{document}$ e^+e^- \to \mu^+\mu^-, \; Zh, \; W^+W^-, \; ZZ $\end{document}, and \begin{document}$ Z\gamma $\end{document}, and investigate the corresponding signatures at the CEPC with the projected sensitivity. We observe that the detectable parameter regions of these processes are complementary. The combined analysis shows that the mass of dark matter \begin{document}$ m_{\chi^0_1} $\end{document} in these two models can be probed up to \begin{document}$ \sim 150\; {\rm{GeV}} $\end{document} and \begin{document}$ \sim 450 $\end{document} GeV, respectively, at a 95% confidence level."> Exploring fermionic multiplet dark matter through precision measurements at the CEPC -
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