. . . . . . . . . . . . "Gravitational metric system"@en. "\u91CD\u529B\u5358\u4F4D\u7CFB"@ja. . . . . . . . _:Zubwgqoa1277. _:Zubwgqoa1276. _:Zubwgqoa1275. _:Zubwgqoa1274. _:Zubwgqoa1278. . . "Source: Freebase - The World's database". _:Zubwgqoa1275 "Gravitational_metric_system". _:Zubwgqoa1275 . _:Zubwgqoa1276 "gravitational_metric_system". _:Zubwgqoa1276 . _:Zubwgqoa1274 "3716784". _:Zubwgqoa1274 . _:Zubwgqoa1277 "Hyl". _:Zubwgqoa1277 . _:Zubwgqoa1278 "Metric_slug". _:Zubwgqoa1278 .