The color of teeth is related to tooth position.
牙冠颜色与牙位有关。
There are more than 200 genes controlling and adjusting teeth development. They decide tooth position, number, size and shape, etc.
在牙齿的发育形成过程中有多达200多个基因参与调控，它们决定各个牙齿的位置、数目、大小和形状等。
Results: the variation of tooth position gave no effects to the directions of principle stress around apex area in symmetrical occlusal type.
结果：在对称性咬合，牙位的变化对各牙的根尖主应力方向无影响。
CONCLUSION: the tooth type or tooth position, root curvature and calcification have significantly influenced the outcome of root canal treatment.
结论：根管治疗的失败与牙位(牙类型和牙位置)、根管弯曲度和钙化度密切相关。
Conclusions: the variation of tooth position could affect the magnitude and direction of the main apical stress, in which the symmetry of the occlusion type was also involved.
结论：牙在下颌骨上相对位置的变化会对其根尖主应力大小及方向产生一定的影响，而且其影响程度还会受到咬合对称性等因素的影响。
This paper proposed a new method that was based on network node and applied to compute tooth contract-point line of engaged gears for different mesh position.
本文提出了一种以网络结点为基础，在齿面上的活动标架里，计算齿轮在不同啮合位置的接触点，以求得接触迹线的新方法。
According to its equivalent mechanism-crank rocker mechanism, driving performance and minimum driving Angle position of movable tooth is analyzed.
利用摆动活齿传动等效机构，分析其传动性能和最小传动角的位置。
The parameter equation of involute tooth profile on any angular position is presented.
提出了任意转角位置的渐开线齿轮齿廓的参数方程。
According to the relative position of the rotor of the screw motor and the milling cutter, the coordinates of the helical tooth form and the cutter are-established.
根据螺杆钻具转子加工时与铣刀的相对位置，建立空间螺旋齿面坐标系和铣刀坐标系。
Tooth shape and the same scallop, forming the milling method of cutting the scallop, therefore it is relatively workpiece axis of hob must be installed on the fixed position.
齿形和工件的齿槽相同﹐以成形铣削法切削工件的齿槽﹐因此定装滚刀必须相对工件的轴线安装在固定的位置上。
The tooth surface is described by TCA method. The model can be put into any angular position of gear. The change in mounting condition is also considered in the global coordinate.
该算法用TCA描述齿面坐标，能自动适应齿轮副任何瞬时转角位置：并在形成整体坐标时考虑了安装条件的变化；
Conclusion: the thickness of buccal bone wall and position of missing tooth, may influence the maxillary alveolar ridge alterations after immediate implantation.
结论：颊侧骨板的厚度及缺牙位置均有可能影响术后牙槽嵴的改建。
The MLX90217 is a self adjusting digital output rotary position gear tooth sensor designed for use in automotive camshaft sensing as well as other speed sensing applications.
MLX90217是一款自适应调整、数字输出的旋转位置齿轮传感器，可应用于汽车凸轮轴传感器以及其它速度传感器。
According to its equivalent mechanism-crank rocker mechanism, driving performance and minimum driving Angle position of movable tooth is analyzed.
阐述了确定行程速比系数和的平面曲柄摇杆机构最小传动角位置和大小的新方法。
The error sensitivity of contact position of point-contact tooth surfaces with respect to the mounting errors is an important index to evaluate the gearing performance.
点接触齿面的接触点位置对安装误差的敏感性是衡量齿面传动性能的一个重要指标。
The whole calculating course realized the automatic definition of loads and boundary conditions and found out the value and position when the tooth root has maximum stress.
整个计算过程实现了载荷和约束的自动施加，找到了齿根的最大应力及其位置。
The ATS616 is ideal for use in systems that gather speed, position, and timing information using gear-tooth-based configurations.
ATS616在系统使用齿轮齿配置收集速度、位置和计时信息时可谓理想之选。
Conclusion The main supporting force position is on abutments of the bridge supported by tooth-implant; The implant neck is the most possible area for fracture.
结论：天然牙—种植体联合桥主要支撑力的部位是颈缘处，该处为种植体折断机率最大的区域；
Objective to study the relationship between the position of mandibular wisdom tooth and pericoronitis.
目的探讨下颌第三磨牙的位置与冠周炎发生间的关系。
The turret uses servo motors and hydraulic system to go on clutching and shifting the tool position, and uses high-precision tooth couplings for accurate positioning.
该刀架依靠伺服电机和液压系统完成离合和转位控制，利用高精度鼠牙盘进行精确定位。
The BDU series is a belt driven guided linear motion system utilizing a tooth-profiled belt to control position of its moving carriage.
该BDU系列是皮带驱动的指导直线运动系统利用一个齿，异型带，以控制其移动运输的立场。
The program presented is convenient to use. Only input basic parameters of gears, the tooth mesh at different position, distributions of stresses, displacement field, stress field, …
本文程序使用方便，只需输入齿轮基本参数，即可得到轮齿不同啮合位置的网格、应力分布、位移场、应力场、接触状态及接触线载荷分布。
The results show that the maximum stress usually appears near the position when the tooth bears most of the load.
分析结果表明，齿根应力最大值一般出现在轮齿承受最大载荷的时刻附近。
The results show that the maximum stress usually appears near the position when the tooth bears most of the load.
分析结果表明，齿根应力最大值一般出现在轮齿承受最大载荷的时刻附近。
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