例句與造句

1. The main results are listed in the following : it is proved that the ring consisting of all block circulant matrices over a field is isomorphic to a factor ring of a polynomial ring in multivariables over the same field
   具體內(nèi)容如下： ?證明了域上的所有塊循環(huán)矩陣組成的環(huán)同構(gòu)于其上的多元多項(xiàng)式環(huán)的一個(gè)商環(huán)。
2. It's difficult to find matrix over a field in a sentence. 用matrix over a field造句挺難的