【单选题】The smallest repeating unit of a crystal lattice is called a_________.
【单选题】In a (an) dislocation, an extra plane of atoms is inserted into part of the crystal lattice
【判断题】美国文学经典小说《莫比·迪克》这一小说开篇第一句是“就叫我伊斯梅尔吧。”
【判断题】Space lattice can be classfied into seven crystal systems, including 14 types of space lattice.
【单选题】研究者于第一年同时采集一至四年级儿童的注意力数据,并对这批儿童进行三年的追踪。这种研究方法是()。
【单选题】研究者于第一年同时采集一至四年级儿童的注意力数据,并对这批儿童进行三年的追踪。这种研究方法是()。
【判断题】Steel is an interstitial solid solution with impurity carbon atoms in iron crystal lattice
【简答题】______ crystal system has mutually perpendicular axes (α=β=γ=90°) but unequal lattice parameters, among which the z-intercept is larger than the x- or y- intercepts (c>a=b). A) Cubic B) Hexagonal C) M...