功能: 将字符串向量的元素进行反转存储

格式: SymVectorReverse(s)

s: 为源字符串向量

例子:
s = {SymVectorAppend<矩阵运算\SymVectorAppend>}("a1","a2","a3");
b = SymVectorReverse(s)//回车得到如下结果
b = 
"a3"
"a2"
"a1"