【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 clients
B.
he tries very hard to attract more clients 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.
【简答题】And while he has been doing this, he has been learning other things as well, including many of the “___20___”that schools think only they can teach him, and many that are more complicated than the one...
【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 ...