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angle excess
相关语句
  相似匹配句对
     angle.
     角。
短句来源
     ANGLE Program
     ANGLE程序
短句来源
     And the more excess mass the faster speed is at the same track angle.
     在相同航迹角航行情况下,水平方向速度随净浮力的增大而增大。
短句来源
     Discussion on treatment of gout from the angle of deficiency in origin and excess in superficiality
     痛风病本虚标实论治探讨
短句来源
     The Applications of Excess Function
     Excess函数的应用(英文)
短句来源
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  angle excess
At moderately high concentrations cluster formation was observed from i) a small angle excess scattering, ii) a downturn of the osmotic modulus, and iii) the appearance of a slow motion in the time-correlation function.
      


For inspecting topological and geometrical unanimity of a solid model,principle of closed path topology and Euler′s formula are important tools.On which the exposition of related literatures was inappropriate.Starting from the summation of predecessors′ studies,the authors put forward their theory and method to make up effective tool for its inspection.Firstly,a precise definition is given to the angle of resultant rotation of a simple closed path on a curved surface,and an analysis is made on its calculation...

For inspecting topological and geometrical unanimity of a solid model,principle of closed path topology and Euler′s formula are important tools.On which the exposition of related literatures was inappropriate.Starting from the summation of predecessors′ studies,the authors put forward their theory and method to make up effective tool for its inspection.Firstly,a precise definition is given to the angle of resultant rotation of a simple closed path on a curved surface,and an analysis is made on its calculation with spherical surface as example,and thus a concept of angle excess is derived.Secondly,a strict definition is given to polyhedra,and the conditions are given for applying Euler′s formula and Gauss Bonnet Theorem to polyhedra.Finally,the generalized Euler eigenvalue and the generalized Gauss Bonnet Theorem and the generalized Euler′s formula are given to polyhedra.

闭路拓扑原理和欧拉公式是检验实体模型边界表示的拓扑与几何一致性的重要工具 .有关文献对此问题的论述不妥 .文中在总结前人研究工作的基础上 ,给出曲面上简单闭路总旋转角的精确定义 ,并以球面为例分析曲面上简单闭路总旋转角的计算方法 ,从而导出角度超出量的概念 .对多面体进行严格的定义 ,给出欧拉公式及 Gauss- Bonnet定理对多面体的应用条件 .最后给出多面体的广义欧拉特征值、广义 Gauss- Bonnet定理及广义欧拉公式 .这些理论和方法 ,共同构成实体模型边界表示的拓扑与几何一致性检验的有效工具 .

>=Purpose To assess the outcomes of surgical correction of square jaw via intraoral approach,and discuss the operative techniques and postoperative complications.Methods The mandibular angloplasty was performed according to the different types of mandibular angle excess and masseter muscle hypertrophy.X-ray films were used to evaluate the postsurgical results.Results All the patients had perfect cosmeticimprovements,and radiographic analysis showed obvious reduction in the width of the lower face.Mouth...

>=Purpose To assess the outcomes of surgical correction of square jaw via intraoral approach,and discuss the operative techniques and postoperative complications.Methods The mandibular angloplasty was performed according to the different types of mandibular angle excess and masseter muscle hypertrophy.X-ray films were used to evaluate the postsurgical results.Results All the patients had perfect cosmeticimprovements,and radiographic analysis showed obvious reduction in the width of the lower face.Mouth opening limitation was seen after operation, and return to the normal following a period of opening exercise.Conclusion Radiographs were important for treatment planning in the patients withprominent of mandibular angle,and the selection of surgery should taken according to the types of square jaw.

目的探讨由于下颌角发育过度与咬肌肥大引起的方颌畸形的手术方法并讨论其治疗效果与并发症。方法根据下颌角肥大畸形的特点进行分类,采用经口内途径下颌角截骨术、下颌角区外板切除术等术式进行治疗,并用X 线头影测量等方法评价其矫正效果。结果本组病例均取得较理想美容效果。头影测量分析结果显示下颌角开张度与下颌角间距离较术前明显减小。手术后短时间内患者存在一定程度的张口受限,经开口训练后完全恢复正常。结论X 线头影测量技术对方颌畸形的术前分析、术式选择及术后效果评价有实际指导意义。根据方颌畸形的特点合理选择手术方式对保证这类面部轮廓整形术的美容效果十分重要。

 
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