protraction

1. 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
2. In addition, the most practical representation and protraction methods will be studied.
   同时，探索出最适合箱包设计的表现与绘制方法。
3. 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
4. Comparison with the Effect of the Skeletal-dental and Soft Tissue Profile Changes of Maxillary Protraction with Labiolingual Appliances or Rapid Maxillary Expansion Appliances
   唇舌弓式及快速扩弓式上颌前方牵引口内装置对牙颌面及软组织侧貌影响的比较
5. 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。
6. 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
7. To investigate the therapeutic effects of maxillary expansion and protraction in the primary dentition.
   探讨在乳牙期利用固定扩弓矫治器前牵引的临床效果。
8. Further protraction of the discussion will not achieve anything.
   继续讨论下去并不能解决任何问题。
9. 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
10. Based on the analysis of distortion and protraction of warp and form of shedding, the problem that dobby can not fully develop its capacity is located.
    通过对开口时经纱变形伸长特性和开口形式的分析，指出了多臂机不能充分发挥效能的问题所在，并给出了解决办法。
11. Development of the loop-mediated isothermal amplification assay for Toxoplasma gondii Upper arch changes after maxillary protraction with rapid palatal expansion in skeletal Class ⅲ patients by anchoring to the primary teeth
    弓形虫环介导等温扩增快速检测方法的建立乳磨牙为支抗前牵引矫治后上牙弓变化的初步研究
12. 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
13. Objective: To investigate the effectiveness of the mandibular Protraction appliance in the treatment of class ⅱ malocclusion.
    目的：了解下颌前伸矫治器（MandibularProtractionAppliance，MPA）对AngleⅡ类错牙合的治疗效果。
14. 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。
15. Based on the practice, discussion is made on the protraction calculation for the prestressed reinforcement tensile, and analyzed several calculations including the regulation type.
    结合工程实际，对预应力张拉控制中预应力筋的伸长量测算进行了探讨，提出了包括规范推荐法在内的多种测算方法，对各种方法的原理及选用作出了较全面的分析。
16. 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；
17. Objective To evaluate the treatment effect and stability of maxillary protraction and rapid palatal expansion in the permanent dentition.
    目的研究联合应用上颌前方牵引与快速扩弓对恒牙早期Ⅲ类骨性错牙合的矫治效果及稳定性。
18. Objective To study facial soft tissue changes after maxillary protraction treatment in Class III malocclusion with maxillary deficiencies.
    目的：评价上颌前牵引早期矫正上颌发育不足产生的骨性Ⅲ类错（牙合）后的侧貌美学改变。
19. Conclusion: The orthopedic force of simulating maxillary protraction promotes the remodeling of maxillary suture and TGF-β_1 may play an important role in the remodeling of maxilla.
    结论：模拟上颌前牵引矫形力促进了上颌骨缝的改建，TGF-β1在骨缝的改建中发挥了重要作用。
20. The Research and Automatic Protraction of Flux Tendency Line Based on GIS Technology
    基于GIS的流量倾向线的自动绘制与研究
21. 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；
22. 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。
23. To evaluate the treatment effect of maxillary protraction on skeletal class ⅲ high angle cases in mixed dentition.
    【目的】探讨上颌后牙牙合垫联合前方牵引治疗替牙期骨性Ⅲ类错牙合高角病例的效果及矫治机理。
24. Conclusion vertical control was good in jaw bone and was not effective in dentition when applying maxillary protraction combined with rapid expansion.
    结论联合上颌前方牵引及快速扩大方法对颌骨垂直向控制较好，但对牙齿垂直向控制较差。
25. 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
26. 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。
27. Results The new anchorage implants were stable almost in every protraction experimental study.
    结果在所有实验中支抗种植体稳定性良好。
28. 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。
29. In main stress trace protraction, based on the character of main stress trace, propose an automatic method.
    研究了一种简便快速的主应力迹线自动化绘制方法。
30. 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

noun

1. the act of prolonging something
   1. there was an indefinite prolongation of the peace talks

   Synonym:    prolongationperpetuationlengthening

2. the consequence of being lengthened in duration

   Synonym:    lengthinessprolongationcontinuation