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秒計 (SecondDuration)

SI TimeDuration. Symbol: s. It is one of the base units in SI, and it is currently defined as follows: the SecondDuration is the duration of 9192631770 periods of the radiation corresponding to the transition between the two hyperfine levels of the ground state of the cesium 133 atom.

Ontology

SUMO / UNITS-OF-MEASURE

Class(es)

國際單位
is instance of
  秒計  

Superclass(es)

[tree]
實體
is subclass of
  抽象的  
is subclass of
  數量  
is subclass of
  物理量  
is subclass of
  常量  
is subclass of
  時間單位  
is subclass of
  持續時間  
is subclass of
  秒計  

Coordinate term(s)

電流強度單位-安培  放射性活度單位  發光強度的單位  攝氏  庫侖  日計  電容量單位-法拉    入射劑量  電感單位  頻率單位-赫茲  時計  功或能的單位-焦爾  絕對溫標  光束的能量單位  照明度的國際單位  公尺  分計  克分子量  力的單位-牛頓  電阻單位-歐姆  壓力的單位  弧度  電導單位  劑量當量  球面度  磁通量密度之國際單位  電壓單位  瓦特  磁通量  周計  年計 

Related WordNet synsets

second, sec, s
1/60 of a minute; the basic unit of time adopted under the System International d'Unites
second is kind of (all)...   second is kind of...   kinds of second...   kinds of second (all)...   second is part of...   parts of second...  
See more related synsets on a separate page.

Axioms (3)

If number實數實例, then "number 分計(s)" 等於 ""number*" 秒計(s)".
(=>
      (instance ?NUMBER RealNumber)
      (equal
            (MeasureFn ?NUMBER MinuteDuration)
            (MeasureFn
                  (MultiplicationFn ?NUMBER 60)
                  SecondDuration)))

內部相關於 秒計.
(relatedInternalConcept Second SecondDuration)

If second實例, then second持續 是 " 秒計(s)".
(=>
      (instance ?SECOND Second)
      (duration
            ?SECOND
            (MeasureFn 1 SecondDuration)))