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

• Biomechanical study on 3-dimensional finite element model of simulated maxillary protraction after maxillary fissure repair
  模拟修复上颌骨裂隙后前牵引受力的三维有限元生物力学研究
• 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
• 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
• Three-dimensional finite element method study on the maxillary protraction: the direction of the protraction
  前牵引上颌的三维有限元研究：前牵引方向的探讨
• 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
• In the third part, we introduced the formation process of particle system, the Physically Based Modeling of particle system, the particle mechanics and the protraction of particle image.
  第三部分详细介绍了粒子系统的构造过程，粒子系统的物理模型，以及粒子运动力学和粒子图像绘制；
• The software part uses c++ builder programmer to implement collection of data administrant of database protraction of valve's displacement curve simulation of valve's movement.
  软件部分采用C++Builder编程实现数据的采集、数据库的管理、阀片位移曲线绘制、阀片运动模拟。离线和在线设计，使用户不仅可以在线检测，还可以在离线状态观察阀片运动情况。
• 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
• This question of "for whom?" is fundamental; it is a question of principle. This is exactly one of the fundamental reasons why the Taiwan issue is characterized by protraction and complexity.
  为什么人的问题，是一个根本的问题，原则的问题。这正是台湾问题具有长期性、复杂性的根本原因之一。
• Further protraction of the discussion will not achieve anything.
  继续讨论下去并不能解决任何问题。