已知树的前序遍历并不能唯一地确定这棵树,因为不知道树的根结点是哪一个。 A.不能延伸网络可操作的距离B.不能过滤网络流量C.不能在网络上发送变弱的信号D.不能放大变弱的信号
已知树的前序遍历并不能唯一地确定这棵树,因为不知道树的根结点是哪一个。
A.不能延伸网络可操作的距离
B.不能过滤网络流量
C.不能在网络上发送变弱的信号
D.不能放大变弱的信号
相关考题：
已知一棵树的前序遍历为ABDEGCF，中序遍历为DBGEACF，求这棵树的后序遍历。（字母和字母之间不要有空格） The preorder sequence of a tree is ABDEGCF, and its infix order sequence is DBGEACF, please write down its post order sequence. （There is no blank space between letters)
6、已知一棵树的前序遍历为ABDEGCF，中序遍历为DBGEACF，求这棵树的后序遍历。（字母和字母之间不要有空格） The preorder sequence of a tree is ABDEGCF, and its infix order sequence is DBGEACF, please write down its post order sequence. （There is no blank space between letters)
已知一棵树的中序遍历为DBGEACF，后序遍历为DGEBFCA，求这棵树的前序遍历。（字母和字母之间不要有空格） The infix order sequence of a tree is DBGEACF, and its post order sequence is DGEBFCA, please write down its preorder sequence. （There is no blank space between letters)
7、已知一棵树的中序遍历为DBGEACF，后序遍历为DGEBFCA，求这棵树的前序遍历。（字母和字母之间不要有空格） The infix order sequence of a tree is DBGEACF, and its post order sequence is DGEBFCA, please write down its preorder sequence. （There is no blank space between letters)