- 单词发音：英 [ prə'trækʃən ] 美 [ proʊ'trækʃən ]
- 基本解释：n.伸长,制图,延长
- protraction 是什么意思及中文翻译：
- 名词(n.) 伸长，制图，延长
protraction 相关例句更多>
- protraction exposure
低量长时间照射
- Further protraction of the discussion will not achieve anything.
继续讨论下去并不能解决任何问题。
- Contradictions and Countermeasures in the Protraction of Land Contract Period
论延长土地承包期的矛盾与对策
- 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。
- 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
- 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。
- Trentment of mixed dentition skeletal crossdite by bonded biteplate with maxillary protraction
粘接牙合垫伴前方牵引矫治替牙期骨性反牙合
- 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
- 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。
- 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。
protraction的近反义词
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