晶体中原子排列的不规则性称为晶体缺陷,根据晶体缺陷的几何特征,可分为点缺陷、线缺陷和 发布时间:2017-10-30 14:07 │ 来源:www.tikuol.com 题型:填空题 问题: 晶体中原子排列的不规则性称为晶体缺陷,根据晶体缺陷的几何特征,可分为点缺陷、线缺陷和()三类。
题型:填空题 ________twice a year,whether it is a car or a bus or a truck,is the rule that every drivermust obey in this city.[ ]A.Examining B.ExaminedC.Having been examined D.Being examined 查看答案