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  1. picosecond

    • IPA[ˈpiːkəʊsɛkənd]

    英式

    • n.
      one trillionth of a second
    • noun: picosecond, plural noun: picoseconds

    • 釋義

    名詞

    • 1. one trillionth of a second the first picosecond of the Big Bang
    • 更多解釋
    • IPA[ˈpēkōˌsek(ə)nd]

    美式

    • n.
      one trillionth of a second: the first picosecond of the Big Bang

    Oxford American Dictionary