The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
%\cite{Jin:SRF2017-TUPB084} \bibitem{Jin:SRF2017-TUPB084} S. Jin, J. Dai, J. Gao, D.J. Gong, F.S. He, Z.Q. Li, \emph{et al.}, % S. Jin, J. Dai, J. Gao, D.J. Gong, F.S. He, Z.Q. Li, Z.C. Liu, P. Sha, J.Y. Zhai, P. Zhang, and T.X. Zhao, % S. Jin \emph{et al.}, \textquotedblleft{EP System Development at IHEP}\textquotedblright, in \emph{Proc. SRF2017}, \url{https://doi.org/10.18429/JACoW-SRF2017-TUPB084}, 2018. % in \emph{Proc. SRF2017}, \url{https://doi.org/10.18429/JACoW-SRF2017-TUPB084}, pp. 586--588. % in \emph{Proc. SRF2017}, Lanzhou, China, July 2017, paper TUPB084, \url{https://doi.org/10.18429/JACoW-SRF2017-TUPB084} % in \emph{Proc. 18th Int. Conf. on RF Superconductivity (SRF'17)}, % Lanzhou, China, July 2017, paper TUPB084, pp. 586--588, % ISBN: 978-3-95450-191-5, % \url{http://jacow.org/srf2017/papers/tupb084.pdf}, % \url{https://doi.org/10.18429/JACoW-SRF2017-TUPB084}, 2018.