如何判定 S span the vector space 什么是Span?如果能举个例子解释一下就最好了,

如何判定 S span the vector space 什么是Span?如果能举个例子解释一下就最好了, a longer life span means that the nation ' s elderly population is bound to expand significantly over the next 50 years.这句话中的over是什么意思?词性是? The briage cross the river in a single span. 如何定义span标签的宽度和高度 线性代数span 和 linear independent 的关系,还有,span A sub-space spanned by S is the intersection of all sub-spaces which contains S.能不能这样说,A sub-space spanned by S is a sub-space which contains all vectors of S and all linear co “Span marking on the circumstance permissible”中文意思? span 标签的用法``举例说明下``谢谢``如何运用span让 层横向排列``请举例说明``谢谢咯~`` Their attention span lasted only as long as it took the dessert carts to visit their tables怎么翻译?span 如何判定磁体的极性?我有一些用磁铁,如何判断磁铁的N,S极? 求助一道matlab坐标系的题目题目是：Input a non-variable vector in rectangular coordinates and obtain the cylindrical, or spherical components. Must enter the point location where this transformation occurs; the result depends on the vect 如何判定地球年龄 如何判定质数 如何判定甲烷结构式 煤焦油质量如何判定 微生物如何判定水质 共价键数如何判定 碱性强弱如何判定 如何判定“测试通过”?