1.
An impacted maxillary canine is a frequently encountered clinical problem in the mixed dentition.
上颚阻生犬齿是混合齿列期常遇见的问题。
2.
Children with clefts should follow a caries preventive program that aims at preserving the primary dentition, thereby facilitating secondary surgical correction and orthodontic therapy later on.
保持乳齿列的完整，将有助日后齿列矫正及第二阶段手术治疗的成效及预后。
3.
The upper and lower jaws possess straight tooth rows and the jaw arches are almost rectangular in shape.
上、下颌具有直的齿列，而颌弓几乎呈直角形。
4.
Facial asymmetry and canting dentition are commonly observed at orthodontic clinic.
颜面及齿列歪斜为矫正门诊中常见的问题。
5.
the central gear in a epicyclic train.
本轮列车的中心齿轮。
6.
Melt gear pump series
熔体计量齿轮泵系列
7.
rack-railway(railway that has a cogged central rail with which a cogged wheel on the train engages to drive the train up a steep slope)
齿轨铁道（设有带齿的中轨,与列车带齿的车轮啮合,将列车送上陡坡）.
8.
an outer gear that revolves about a central sun gear of an epicyclic train.
围绕本轮列车的中心齿轮旋转的外部齿轮。
9.
pearly teeth evenly aligned.
珍珠般的牙齿均匀的直列着。
10.
dual tandem articulated double reduction gearing
双列链式二级减速齿轮装置
11.
the metal casing in which a train of gears is sealed.
密封住一系列齿轮的金属外壳。
12.
Reduction gearhead series of electrical micro-machine for automatic control system
GB/T11281-1989控制微电机用齿轮减速器系列
13.
The type, number, and arrangement of a set of teeth.
牙列，齿系牙床的类型、数目和安排
14.
CAD of GS Series Involute High Speed Cylindrical Gear Unit;
GS系列高速渐开线圆柱齿轮传动CAD
15.
Observation of Curative Effect of 117 Dentition Defect Repaired with Concealed Denture;
117件隐形义齿修复牙列缺损疗效观察
16.
Research on Intelligent Computing Software for Tooth Arrangement and Movement
牙齿排列与移动的智能计算软件研究
17.
Technical progress in Smelting Process of MnCr Gear Steel
MnCr系列齿轮钢冶炼工艺的技术进展
18.
The Numerical Design System of Precision Forging Die of Straight Bevel Gear for Automobile Series Parts;
汽车系列化零件直齿圆锥齿轮精锻模具数字化设计系统开发