si unit

常見例句

• The SI unit of magnetic flux equal to the magnetic flux that in linking a circuit of one turn produces in it an electromotive force of one volt as it is uniformly reduced to zero within one second.
  韋伯磁通量的國際單位，等于當磁通量在一秒鐘內(nèi)被統(tǒng)一地減弱為零時在它聯(lián)接的一圈電路內(nèi)產(chǎn)生一伏特電動勢時的磁通量
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