protraction

n. 伸长，延长；制图

n.

伸长，制图，延长；

英英释义

protraction[ prə'trækʃən ]

n.

the consequence of being lengthened in duration

同义词：lengthinessprolongationcontinuation

the act of prolonging something

同义词：prolongationperpetuationlengthening

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。

权威例句

protraction (n.)

mid-15c., "drawing or writing of numbers," from Middle French protraction (15c.) and directly from Late Latin protractionem (nominative protractio) "a drawing out or lengthening," noun of action from past participle stem of Latin protrahere "to draw forward, draw out, bring forth;" figuratively "bring to light, reveal, expose," from pro- "forward" (see pro-) + trahere "to draw" (see tract (n.1)). Meaning "act of drawing out or prolonging" is from 1530s.

1. 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。

2. 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。

3. The importance of projection protraction CAI was introduced. The environment and flow of courseware CAI were discussed. Several problems that should be paid attention to were also pointed out.

简要介绍开发工程制图CAI教学课件的重要性，重点论述开发CAI课件的环境和流程，指出了开发课件中应注意的几个问题。

4. ObjectiveTo determine the rule of simulated protraction and palate expansion on shift of maxillary bone, and to supply the scientific data for treating maxilla in patients with cleft lip and palate.

目的：探讨上颌前牵引过程中，模拟腭部扩弓对上颌骨的位移变化的影响规律，为临床上唇腭裂患者的正畸治疗提供理论依据。

5. 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?。

6. Objective To evaluate the maxillary protraction appliance permanent teeth combined rapid expansion of early bone anterior crossbite effectiveness.

目的评价前方牵引器联合快速扩弓矫治恒牙早期骨性前牙反牙合的有效性。

7. 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。

8. Routine massage method was applied in control group, manual replacement with the lumbar part in a anteflexed and dorsal protraction condition was applied in treatment group.

对照组采用常规推拿手法治疗，治疗组在病人腰部前屈背伸的动态下进行手法复位。

9. Objective To investigate the changes of hard tissue changes in vertical dimension when applying maxillary protraction combined with rapid maxillary expansion.

目的研究联合应用上颌前方牵引及快速扩大对硬组织垂直向的作用。

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. And some countermeasures are given hereof.

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. C. Slower-than-normal ( protraction disorders) or complete cessation of progress (arrest disorder) are disorders that can be diagnosed only after the parturient has entered the active phase of labor.

较正常缓慢（延缓）或进展完全停止（停滞）只有在产妇进入活跃期后才能做出诊断。

12. 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。

13. 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。

14. The essential characteristics of the national problems in China are of their importance, internationalization, complexity and protraction.

中国民族问题的基本特点是重要性、国际性、复杂性、长期性。

15. 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。

16. Based upon neural networks, a nonlinear mathematical model of the protraction for the thermal expansion die bolt is developed.

基于神经网络建立热膨胀螺栓形变的非线性数学模型。

17. 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。

18. Result: The profile improved slowly more than half a year in maxillary protraction treated group.

结果：前方牵引后侧貌改善较慢，一般需半年以上。

19. Inflammation plays an important role in the process of the occurrence and agglutination of surface ulcers, which has marked effect on damage protraction and recovery of local ulcers.

在体表溃疡的发生与愈合过程中，炎症自始至终发挥着重要的作用，不仅造成溃疡局部的损伤迁延，更影响溃疡的恢复。

20. 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。

21. The design method of the database and the process of the graph protraction are introduced also. The treatments of two kinds of device i. e. switch and switching station are detailed.

介绍了数据库的设计方法和图形的绘制流程，并详细介绍了开关和开闭站的处理方法。

22. The basic pathological change in occurrence, development and protraction of the disease are internal stagnation of fluid-dampness, accumulated dampness-heat and stagnation of blood.

水湿内停、湿热蕴结、瘀血留滞是其病发生、发展、迁延难愈的基本病理变化。

23. ConclusionCombined palate expansion with maxillary protraction treatment in patients with cleft lip and palate tend to improve the development of maxillary bone.

结论：上颌前牵引联合应用腭部扩弓治疗唇腭裂患者，有利于全面改善上颌骨的发育。

24. Some of the key technologies of SCSGIS, such as 3D visual technology, the protraction of the topographical profile and the fusion of multi-geo-data are analyzed.

此外，还着重对本系统实现的一些关键性技术，如多源地学信息融合技术、三维可视化技术、任意地形剖面的绘制、动画的制作等方面分别作了较为深入的探讨。

25. ConclusionThe maxillary fissures have an enlarged trend by protraction without repair. The protraction treatment benefits the development of maxillary bone after repairing maxillary fissure.

结论：上颌骨裂隙未修复前，在前牵引力作用下裂隙有扩大化的趋势，修复上颌骨裂隙后，行前牵引矫形治疗有利于上颌骨发育。

26. ConclusionThe maxillary fissures have an enlarged trend by protraction without repair. The protraction treatment benefits the development of maxillary bone after repairing maxillary fissure.

结论：上颌骨裂隙未修复前，在前牵引力作用下裂隙有扩大化的趋势，修复上颌骨裂隙后，行前牵引矫形治疗有利于上颌骨发育。

27. Further protraction of the discussion will not achieve anything.

继续讨论下去并不能解决任何问题.

-- 来源 -- 英汉 - 辞典例句

28. dose protraction

剂量迁延

-- 来源 -- 英汉 - 翻译参考[网络]

29. protraction dose

迁延剂量

-- 来源 -- 英汉 - 翻译参考[网络]

30. This is exactly one of the fundamental reasons why the Taiwan issue is characterized by protraction and complexity.

这正是台湾问题具有长期 性、复杂性的根本原因之一。

-- 来源 -- 网友提供

31. Compared with traditional protraction, the teachingmode of the plane composition by CAI can focus the emphases on the training of thinking and sculpture, which is the tenet of this course.

利用计算机辅助平面构成的教学方法与传统的手工绘制相比,能有效地把学习的重点放在思维训练与造型训练上,而这正是构成课程的宗旨所在。

-- 来源 -- 网友提供