• 2021-04-14
    dimensional
  • 空间的;尺寸的

    内容

    • 0

      Dimensional deviation is the difference of a certain size minus its basic size, so the size deviation can be positive, negative and zero. ( ) A: 对 B: 错

    • 1

      Three important sources of dimensional change encountered with dental materials A: A. thermal B: B. mechanical C: C. atmospheric D: D. chemical

    • 2

      The advantages of cotton include: A: high level of moisture absorption B: moderate strength ,good abrasion resistance •and good dimensional stability C: resists sunlight and heat well D: soft hand feel

    • 3

      按照生成聚合物的结构形状,逐步聚合可以分为 A: 加成聚合(Addition polymerization) B: 线形缩聚(Linear polycondensation) C: 体形缩聚(Three dimensional polycondensation) D: 连锁聚合(Chain polymerization )

    • 4

      YOUNES H.,CHRISTENSEN G.,GROVEN L.,et al. Three dimensional (3D) percolation network structure: Key to form stable carbon nano grease[J]. Journal of Applied Research and Technology, December 2016, 14(6): 375-382 这是文献的类型是()