【单选题】下列对 “3D打印技术”的解说 不正确 的一项是
A.
3D打印技术,就是三维打印,也称“叠层制造”工艺,是快速成型技术的一种。
B.
3D打印技术的工作原理是:在平面上指定的位置放置并固化材料,逐层打印,以堆积成三维物体。
C.
3D打印技术的开发,从20世纪80年代开始,现在成熟地运用于医学、教育、军事、农业等领域。
D.
3D打印技术的优势在于可以制作出几乎任意形状、传统加工工艺无法精确完成的产品。
【单选题】During the internshi p, Chris does all the things except that ________.
A.
he often goes out drinking with his s
B.
he tries very hard to attract more s to invest in their company
C.
he does all the favors asked by his director
D.
he studies in the dim light in the church
【判断题】链表就是由 n 个结点、由指针链组成的一个线性表。它是线性表的链式存储映像,称为线性表的链式存储结构。
【单选题】Linux操作系统与Windows NT、NetWare、UNIX等传统网络操作系统最大的区别是( )。
【简答题】And while he has been doing this, he has been learning other things as well, including many of the “______” that schools think only they can teach him, and many that are more complicated than the ones...
【单选题】They can teach ______ how to use a computer.
【单选题】一个线性表包含有n个数据元素,则次线性表的长度为:( )
【简答题】And while he has been doing this, he has been learning other things as well, including many of the “______” that the schools think only they can teach him, and many that are more complicated than the ...