Lookouts were spotted all along the coast.沿海岸都布置了监视哨.Lookouts and leadsmen in bulky life jackets stumbled and slipped after him.监视哨和测深员穿着饱鼓鼓的救生衣,跌跌撞撞地跟在他后面.The lookouts were silent shadows.监视哨只是些无声的人影罢了....
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 ...