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Ra

更新日期:2026-08-14

词语 Ra
释义

Ra1[rɑ:; rɔ:]

  • n.【埃及宗教】太阳神(古代埃及人崇拜的宇宙创造者)[亦作Re]

Ra2

  • 【化学】镭(radium)的符号

RA

  • abbr.
    • radar altimeter
    • radioactive
    • radius of action
    • random access
    • rate of application
    • read amplifier
    • Rear Admiral
    • refer to acceptor
    • Regular Army
    • reliability analysis
    • Research Association
    • residence advisor
    • residual air
    • rheumatoid arthritis
    • right arch
    • right ascension
    • right atrium
    • Royal Academician
    • Royal Academy(of Arts)
    • Royal Artillery

ra

  • abbr.range

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