協(xié)調(diào)世界時(shí)時(shí)號(hào)time signal: 報(bào)時(shí)信號(hào)。 coordinated universal time (utc): 世界標(biāo)準(zhǔn)時(shí)間; 協(xié)調(diào)世界時(shí)coordinated universal time,utc: 協(xié)調(diào)世界時(shí)universal time coordination (utc): 世界標(biāo)準(zhǔn)時(shí)utc universal time chiming: 標(biāo)準(zhǔn)時(shí)間諧音報(bào)時(shí); 通用時(shí)間協(xié)調(diào)下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯