si

[si:]

n. 国际单位制

例句与用法：

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.

韦伯磁通量的国际单位，等于当磁通量在一秒钟内被统一地减弱为零时在它联接的一圈电路内产生一伏特电动势时的磁通量

词形变化：

名词: shysterism |

详细释义：

abbr.

=shift in 【电脑】移入