For finite - dimensional spaces determinants can be brought into play.在有限维空间中可以运用行列式.It is important to distinguish matrices from determinants.将矩阵与行列式相区分是重要的.Here one is dealing with the determinants of aggregate supply ...
刘胡兰在敌人的屠刀面前大义凛然,视死如归.Liu Hulan unflinchingly faced death under the butcher's knife of the enemy.这些魔鬼临死也不会放下屠刀.These monsters would not lay down their cleavers even when on the brink of their own destruction.放下屠刀,立地成...