The operations defined on arrays are : allocating an array based on size and lower bound information ; indexing an array to read and write a value ; computing the address of an element of an array a managed pointer ; and querying for the rank , bounds , and total number of values stored in an array 对数组定义的操作有:根据大小和下限信息分配数组;编制数组索引以读取或写入值;计算数组元素的地址(托管指针) ;以及查询秩、边界和数组中存储的值的总数。