【单选题】设F是一个森林,B是由F变换得的二叉树。若F中有n个非终端结点,则B中右指针域为空的结点有( )个。
【单选题】设F是一个森林,B是由F变换得的二叉树。若F中有n个非终端结点,则B中右指针域为空的结点有( )个。【西安电子科技大学1998一、10(2分)】
【单选题】旋转式多冲压片机的特点包括
A.
该机填料方式合理,由上、下冲头相对加压,压力分布均匀
D.
机器内配有吸风箱,通过吸嘴可吸取机器运转时产生的粉尘
【简答题】A.In 1636. B.In 1638. C.In 1836. D.In 1782.
【简答题】Although it was not named ________ 1782, this kind of metal was used as early as 5300B. C. [A]for [B]in [C] until [D] since
【单选题】When was the building built?
【单选题】设F是一个森林,B是由F变换得的二叉树。若F中有n个非终端结点,则B中右指针域为空的结点有几个: