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S
01
秒, s
1/60 of a minute; the basic unit of time adopted under the Systeme International d'Unites
02
s (热力学), s (热力学量)
(thermodynamics) a thermodynamic quantity representing the amount of energy in a system that is no longer available for doing mechanical work
03
s, 字母s
the 19th letter of the Roman alphabet
04
西门子, 摩
a unit of conductance equal to the reciprocal of an ohm
s
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