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单词: 

protraction是什么意思,protraction怎么读,

protraction

protraction读音发音

英式发音:[prəˈtrækʃ(ə)n] 美式发音:[prəˈtrækʃ(ə)n]

单词解释:

n. 伸长,延长;制图

同根词

词根:protract

adj.

protracted 拖延的

adv.

protractedly 拖延地;延长地

n.

protractor 伸肌;分度器;伤处异物摘出器

v.

protracted 拖延;绘制;伸展(protract的过去分词)

vt.

protract 绘制;延长;伸展

常用句子

1.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。

2.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。

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.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。

5.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。

6.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。

7.Based upon neural networks, a nonlinear mathematical model of the protraction for the 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。

8.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。

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