basis n. (pl. bases ) 1.基础;基底;台座;【地质学;地理学】坡基。 2.根据,基准。 3.主要成份;主药。 4.【数学】基。 On a production basis在大规模生产的基础上。 On what basis? 凭什么条件(雇佣等)? on the war basis按战时体制。 the basis of argument 论据。 the basis of assessment 课税标准。 on the basis of 以…为基础。
In linear algebra, a basis for a vector space of dimension n is a sequence of n vectors α1, ..., αn with the property that every vector in the space can be expressed uniquely as a linear combination of the basis vectors.