protraction

英

美

网络  前伸; 延长; 前突; 前凸; 前旋

医学

英英释义

noun

• the act of prolonging something
  1. there was an indefinite prolongation of the peace talks
  Synonym:prolongationperpetuationlengthening
• the consequence of being lengthened in duration
  Synonym:lengthinessprolongationcontinuation

双语例句

• Further protraction of the discussion will not achieve anything.
  继续讨论下去并不能解决任何问题。
• Protraction of manager performance is the key factor to the long-range development of state-owned industries.
  经营者行为的长期化是国有企业长远发展的关键因素。
• Design and Protraction for Oil Well Structure Drawing Based on Visual Basic
  基于vb的油井结构图设计与绘制
• Objective To study the effects of ages on combined RME and maxillary protraction therapy.
  目的研究年龄对于前方牵引联合快速扩弓矫治效果的影响。
• Establishment of an experimental animal model of maxillary protraction and cephalometric analysis
  上颌前牵引动物模型建立与头影测量分析
• Biomechanical study on 3-dimensional finite element model of maxillary protraction and the palate expansion
  上颌前牵引联合腭部扩弓的三维有限元生物力学研究
• Sagittal airway dimensions following maxillary protraction in 30 cases
  前方牵引器治疗对上气道影响30例观察
• In the fourth part, we presented the formation process of Water Animation and the basic ways of protraction of OpenGL as well as the implementation of its arithmetic steps.
  在第四部分，我们介绍了水动画的制作过程，给出了我们所用工具OpenGL的基本绘制方式及其算法步骤的实现方法；
• Analysis of stress on craniofacial skeleton sutures under protraction with three-dimensional finite element method skeletal traction through olecranon of ulna
  前方牵引下颅面复合体骨缝应力特征的三维有限元分析尺骨鹰嘴骨牵引；经尺骨鹰嘴骨牵引术；经尺骨鹰嘴骨牵引术
• Conclusion It is obvious that age affects the results of RME and maxillary protraction therapy.
  结论年龄对于前方牵引联合快速扩弓矫治效果有较为明显的影响，矫治后上颌骨以及下颌骨的位置均与年龄有关。