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单词
SI unit
释义
SI unit
SI unit
/
es ˈaɪ ˌjuːnɪt
/
noun
[
countable
C
]
technical
a standard unit of measurement in an international system used especially by scientists. SI units include the metre, kilogram, second,
ampere
, and
Kelvin
.
SI
单位,国际标准度量单位
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更新时间:2026/9/22 18:47:49