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SI 音标拼音: [s'i]

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WordNet (r) 3.0 (2006) (WordNet)

Si
n 1: a tetravalent nonmetallic element; next to oxygen it is the
most abundant element in the earth's crust; occurs in clay
and feldspar and granite and quartz and sand; used as a
semiconductor in transistors [synonym: {silicon}, {Si}, {atomic
number 14}]
2: a complete metric system of units of measurement for
scientists; fundamental quantities are length (meter) and
mass (kilogram) and time (second) and electric current
(ampere) and temperature (kelvin) and amount of matter (mole)
and luminous intensity (candela); "Today the United States is
the only country in the world not totally committed to the
Systeme International d'Unites" [synonym: {Systeme International
d'Unites}, {Systeme International}, {SI system}, {SI}, {SI
unit}, {International System of Units}, {International
System}]
3: the syllable naming the seventh (subtonic) note of any
musical scale in solmization [synonym: {ti}, {te}, {si}]

The Collaborative International Dictionary of English v.0.48 (gcide)

Si \Si\ [It.] (Mus.)
A syllable applied, in solmization, to the note B; more
recently, to the seventh tone of any major diatonic scale. It
was added to Guido's scale by Le Maire about the end of the
17th century.
[1913 Webster]

Maffioso \Maf`fi*o"so\, Mafioso \Ma`fi*o"so\, n.; pl. {-si}.
[It. maffioso.]
A member of the mafia.
[Webster 1913 Suppl.]

The Free On-line Dictionary of Computing (foldoc)

The {country code} for Slovenia.

(1999-01-27)

V.E.R.A. -- Virtual Entity of Relevant Acronyms (June 2006) (vera)

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单词	字典	翻译
si	查看　si　在百度字典中的解释	百度英翻中〔查看〕
si	查看　si　在Google字典中的解释	Google英翻中〔查看〕
si	查看　si　在Yahoo字典中的解释	Yahoo英翻中〔查看〕

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International System of Units - Wikipedia
SI base units The SI selects seven units to serve as base units, corresponding in number to seven base physical quantities They are the second for time, metre for length, kilogram for mass, ampere for electric current, kelvin for thermodynamic temperature, mole for amount of substance, and candela for luminous intensity [1]
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