功能强大，包括：创建新十字链表、节点删除、节点插入、打印十字链表 、存盘、文件中恢复(读出)矩阵、检索指定矩阵元素(关键字是行列下标) 、检索一个指定矩阵元素(关键字是矩阵元素值)-powerful features, including : creating a new Cross List, delete nodes, the nodes to insert, print Cross Chain, archive, the paper recovery (read) matrix, retrieval designated matrix elements (keyword ranks is indexed), a designated retrieval matrix elements (keyword is Matrix elements of value)