W: Duplicate sources.list entry http://archive.ubuntukylin.com:10006/ubuntukylin/ trusty/main amd64 Packages (/var/lib/apt/lists/archive.ubuntukylin.com:10006_ubuntukylin_dists_trusty_main_binary-amd64_Packages)
W: Duplicate sources.list entry http://archive.ubuntukylin.com:10006/ubuntukylin/ trusty/main amd64 Packages (/var/lib/apt/lists/archive.ubuntukylin.com:10006_ubuntukylin_dists_trusty_main_binary-amd64_Packages)
W: Duplicate sources.list entry http://archive.ubuntukylin.com:10006/ubuntukylin/ trusty/main amd64 Packages (/var/lib/apt/lists/archive.ubuntukylin.com:10006_ubuntukylin_dists_trusty_main_binary-amd64_Packages)
W: Duplicate sources.list entry http://archive.ubuntukylin.com:10006/ubuntukylin/ trusty/main i386 Packages (/var/lib/apt/lists/archive.ubuntukylin.com:10006_ubuntukylin_dists_trusty_main_binary-i386_Packages)
W: Duplicate sources.list entry http://archive.ubuntukylin.com:10006/ubuntukylin/ trusty/main i386 Packages (/var/lib/apt/lists/archive.ubuntukylin.com:10006_ubuntukylin_dists_trusty_main_binary-i386_Packages)
W: Duplicate sources.list entry http://archive.ubuntukylin.com:10006/ubuntukylin/ trusty/main i386 Packages (/var/lib/apt/lists/archive.ubuntukylin.com:10006_ubuntukylin_dists_trusty_main_binary-i386_Packages)
W: 您可能需要运行 apt-get update 来解决这些问题
这个是什么意思？Duplicate是复制，复印，重复的意思，是不是需要删除一些相同的源地址？