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- cuspidal quartic 尖点四次线
- A complete quartic polynomial consists of 15 terms. 一个完整四次的多项式由15项组成。
- And what was the point of a quartic steering wheel? 而且四次式的方向盘又是怎么一回事啊？
- Moreover equations of degree higher than quartic often arise in equilibrium calculations. 况且，在平衡计算中常常发生比四次方程还高的高次方程。
- In this paper, the bifurcation of limit cycles for a quartic polynomial system is investigated. 摘要研究一类四次系统的极限环分枝问题。
- Often wear cuspidal to follow leather shoes high, can force little toe of face of foot of crural big Mu the twist there, call Mu foot evaginate. 经常穿尖头的高跟皮鞋，会迫使脚大拇趾朝小趾那边扭曲，称拇趾外翻。
- Abstract Quartic convolution interpolation（QCI）is a new method in interpolation technology. 摘要 四次卷积插值是插值技术中的新方法，这种方法在数字地图、数控加工、图像处理中都是非常有用的，同时在计算机中具有很好的计算性能。
- A piece of quartic spline curve was constructed and the same analysis was applied to it as well for comparison. 给出一个拐角重构实例，插补构建的曲线，并分别分析了插补输出的速度、加速度及加加速度。
- Through eliminat, on and linearization, we obtain a set of three variables quartic degree polynomial equations. 进而利用数学方法、技巧进行消元、线性化。
- After treatment the changes of dental arch width in first and second premolar region were larger than that of cuspid and first molar regions. 上颌第一、二双尖牙间各自宽度较尖牙间、一磨牙间宽度增加显著。
- By trial we can determine which three roots are the correct ones, and hence find the solutions of the quartic. 如果只要求求解有理实根，可以通过（对于任意次数的多项式都为真）试错法，或是使用鲁菲尼法则（只要所给的多项式的系数都是有理的）求出。
- Methods We made a maxillary flat bite plate which was touched with mandibular cuspid teeth and elevated the posterior teeth. 方法制作上颌平面导板,下颌两侧尖牙与其接触,后牙抬高。
- Objective: To establish the 3-D FEM model of lower cuspid and analyze the stress distribution of lowercuspid applied wiht orthodontic force. 目的:建立下尖牙的三维有限元模型,分析正畸力作用下尖牙的应力分布特点。
- Conclusion: Predicting the tooth size of cuspid and bicuspid group in malocclusion can't simply follow the law of normal occlusion. 结论： 临床上对错尖牙、双尖牙组的预测不能简单等同于正常。
- In this paper, shear lag effect in cantilever box girder is studied by various approaches assuming spanwise displacement as quartic parabola. 由于抗弯与抗扭性能良好,箱形截面广泛在工民建及桥梁结构中采用。
- The differences in the cuspid and the first molar distances of the casts were measured to determine the surgical change and the relapse. 分别测量每个模型两侧尖牙和第一磨牙近中腭面外形高点连线距离。
- As far as the number of limit cycles bifurcated from 3 fine focal points of quartic system is concerned, the result is good. 就三个不同细焦点分枝出极限环的结论来说，该结果是好的。
- Serious tooth defect which involved cuspid,incisal angle,marginal ridge and occlusal surface can't be filled and need occlusal reconstruction. 各种严重的牙体缺损已涉及牙尖、切角、边缘嵴以及合面，需要咬合重建而不能使用一般充填修复者。
- By the method of Iso-periodic diagrams, this paper investigates the topology of the codimention space of the dynamical system: A kind of quartic map. 摘要利用同周期图方法，从不同的初始点出发研究了一维双参数4次方映射系统的参数空间解域结构。
- The first three largest number of resident teeth is as follows： mandibular cuspid, mandibular bicuspid and maxillary cuspid. 19.;51%25的病例颌骨间无咬合接触关系，19
