1.拖延;伸长,延长
2.制图
1.the act of protracting something
2.the act of drawing something such as a building or an area of land to scale, or a drawing of this kind
1.How is conjunctivitis treated the fastest? Protraction is time consequence serious? Drop what eyedrop is best?
结膜炎怎样治疗最快？拖长了时间后果严重吗？滴什么眼药水最好？。
2.We see the conflict leading to a protraction of Libya's oil shortages.
我们看到冲突已经造成了利比亚石油短缺的进一步升级。
3.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。
4.Stress analysis of temporomandibular joint in state of mandibular protraction by means of three-dimensional finite element method
下颌前伸时颞下颌关节应力分布的三维有限元研究
5.Analysis of the mandible in the different state on the mandibular protraction by means of the three-dimensional finite element method
不同程度下颌前伸的三维有限元分析
6.Treatment effects of the maxillary protraction in correction of maxillary deficiency: A comparative study between RPE group and no RPE group
前方牵引治疗上颌骨发育不足：扩弓组与未扩弓组的疗效比较
7.The experimental study of maxillary protraction through bone suture expansion in animals
上颌骨复合体骨缝牵张的动物实验研究
8.Treatment of Maxillary Deficiency with the Combination of Rapid Maxillary Expansion and Maxillary Protraction
快速扩弓联合前方牵引治疗上颌发育不足的临床体会
9.The study of hard tissue change in vertical dimension when applying maxillary protraction combined with rapid maxillary expansion
联合应用上颌前方牵引及快速扩大对硬组织垂直向作用的研究
10.Relationship between maxillary protraction treatment and changes of nasal profile in children of Chinese Han-nationality
汉族儿童上颌前方牵引与其鼻部侧面形态改变的关系