需要 openSUSE Slowroll ，用 root 執行：
zypper addrepo https://download.opensuse.org/repositories/home:NfG84:branches:science/openSUSE_Slowroll/home:NfG84:branches:science.repo
zypper refresh
zypper install elpa
需要 15.6 ，用 root 執行：
zypper addrepo https://download.opensuse.org/repositories/home:NfG84:branches:science/15.6/home:NfG84:branches:science.repo
zypper refresh
zypper install elpa
需要 15.5 ，用 root 執行：
zypper addrepo https://download.opensuse.org/repositories/home:NfG84:branches:science/15.5/home:NfG84:branches:science.repo
zypper refresh
zypper install elpa