你即將離開本站

並前往https://metrologie-francaise.lne.fr/en/metrology/units-measurement-si

Units of measurement (SI) | Réseau National de la Métrologie ...

Definition : The metre is the SI unit of length. It is defined by taking the fixed numerical value of the speed of light in vacuum c to be 299 792 458 when ...

確定！ 回上一頁

查詢 「SI unit」的人也找了：

  1. SI unit Table
    2.
  2. si unit中文
    3.
  3. SI unit of mass
    4.
  4. Time SI unit
    5.
  5. S.I unit of volume
    6.
  6. Metric unit
    7.
  7. si單位換算
    8.
  8. SI unit
    9.