例句與造句

1. a sufficient and necessary condition for determining singularity of a block circulant matrix over a quaternion division algebra over a field is given, and two algorithms for the inverse of a nonsingular block circulant matrix over the quaternion division algebra are presented
   ?給出了域上的塊循環(huán)矩陣可逆性的充要條件及其逆矩陣的算法。?給出了四元素可除代數(shù)上的塊循環(huán)矩陣可逆性的充要條件及其逆矩陣的兩種算法。
2. a sufficient and necessary condition for determining singularity of a block circulant matrix over a quaternion division algebra over a field is given, and two algorithms for the inverse of a nonsingular block circulant matrix over the quaternion division algebra are presented
   ?給出了域上的塊循環(huán)矩陣可逆性的充要條件及其逆矩陣的算法。?給出了四元素可除代數(shù)上的塊循環(huán)矩陣可逆性的充要條件及其逆矩陣的兩種算法。
3. It's difficult to find quaternion division algebra in a sentence. 用quaternion division algebra造句挺難的