短語(yǔ)詞組

短語(yǔ)

• pulsar r time scale 脈沖星時(shí)標(biāo)
• Pulsar World Time Sports Watch 脈沖星世界時(shí)間運(yùn)動(dòng)手表
• ensemble pulsar time 綜合脈沖星時(shí)
• pulsar time application 脈沖星時(shí)應(yīng)用
• pulsar time transfer system 脈沖星時(shí)間傳遞系統(tǒng)
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