材料科学与工程基础”考试试题 英文原版教材班（注：第1、2、3题为必做题；第4、5、6、7题为选择题，必须二选一。共100分）1. Glossary (2 points for each) 1) crystal structure: The arrangement of the atoms in a material into a repeatable lattice. 2) basis (or motif): A group of atoms associated with a lattice. 3) packing fractor: The fraction of space in a unit cell occupied by atoms.4) slip system: The combination of the slip plane and the slip direction. 5) critical size: The minimum size that must be formed by atoms clustering togeth
