Slide floss up and down against the tooth surface and under the gumline.
幻灯片牙线上下对牙齿表面和牙龈线下。
Poor tooth surface impacts the horse's capability to maintain a proper weight.
牙齿表面的状态不好，会导致马难以维持恰当的体重。
These formulae are suitable for any contacting point of tooth surface meshing.
这些公式适用于齿面啮合的任何接触点。
Alloy steel gear, hard tooth surface, large in output torque and durable in use.
齿轮材料为合金钢，硬齿面，输出转矩大，可靠耐用。
Low power scanning electron microscope image of tooth surface, computer-coloured yellow on blue background.
牙齿表面的电子显微镜扫描图。
On the base of principle of involute gear and its property, the formation of tooth surface are introduced.
根据渐开线齿轮的原理和渐开线的基本性质，介绍渐开线齿轮齿廓的形成。
To maintain healthy teeth and gums it is important that bristles contact both the tooth surface and the gumline.
为了保持健康的牙齿和牙龈重要的是，无论是刷毛接触牙齿表面和牙龈线。
The deviation between actual measured pitch value between any adjacent tooth surface and theoretical circular pitch.
实测任何相邻的两个齿间的径节值与理论径节值的偏差。
A mathematical model of spiral bevel gear tooth surface was built by analyzing manufacture method and meshing theory.
通过分析锥齿轮的加工方法和齿轮啮合理论，建立了螺旋锥齿轮齿面数学模型。
The error correction model of tooth surface was established by machine tool adjustment parameters and meshing principle.
结合机床调整参数、齿轮啮合原理，建立了螺旋锥齿轮齿面误差修正模型。
This air scaler is intended to remove dental plaque, calculus and stain from tooth surface and tooth root by dental professionals only.
本产品是由资质的口腔科医生在口腔科治疗过程中对患者的牙体表面所粘着的牙垢，牙结石，着色去除时所使用的设备。
The results show that the micro rotational Angle induced by the tooth surface elastic deformation has definite effect on meshing points.
结果表明，齿面弹性变形引起的齿轮轮齿的微小转动对啮合点的最终位置有一定的影响。
The method of gear dynamic mutual abrasion is a method in which the dynamic force on tooth surface was used to do the precision finishing.
齿轮动力互研法是利用齿面动态力达到齿轮精加工目的的方法。
In this project we have carried out a research on the buried arc automatic welding process for large welded gears with hard tooth surface.
对大型硬齿面焊接齿轮的埋弧自动焊工艺进行了探索和实施。
Failure mode of tooth surface is varied such as teeth surface pitting, teeth wear, teeth bonding and teeth plastic deformations and so on.
齿面常见的失效形式有齿面点蚀、齿面磨损、齿面胶合和齿面塑性变形等。
The new tooth surface can be prolonged by the normal profile of the internal toroidal surface, or replaced by an equal pitch helical surface.
其二为一种修整的线接触，展成的等螺距齿面与理论轨迹曲面沿某一空间曲线近似相切。
The above research finds out the influence of grinder error and machining setting parameter error on tooth surface error of spiral bevel gear.
上述研究查明了磨床误差及加工调整参数误差对螺旋锥齿轮齿面误差的影响机制。
The top grade silica abrasive, gently remove tooth surface dirt and tooth enamel surface doesn't hurt, often use, strong teeth, healthy mouth.
采用高档二氧化硅磨料，轻柔去除牙表面污垢的同时不伤害牙表面珐琅质，经常使用，强健牙齿，健康口腔。
The motion optimization method is proposed, by which transmission errors anddiscontinuousness of tooth surface meshing is decreased to minimum.
提出了运动优化的方法，通过预设传动误差抛物线函数，使齿面啮合时运动误差和不连续性减至最小。
During ausform finishing process of hardened gears, there is plastic displacement of metal on the tooth surface and the distortion of tooth profile.
在齿轮热滚挤加工中，轮齿上的金属在强制挤压力的作用下沿齿面产生塑性流动，使齿形发生变化。
The distribution feature and the fluctuation tendency of the temperature in the vicinity of the worm wheel tooth surface were investigated and analyzed.
分析了邻近蜗轮齿面的温度分布特征及温度变化的趋势。
The rolling tests prove that this setup model can control precisely the displacement of the lapped area in the tooth surface and keep the even backlash.
利用轮齿接触分析与齿轮啮合原理，建立了齿面均匀研磨与定点研磨控制的几何运动模型，经滚检检验，该模型能对齿面研磨位置与侧隙进行较准确的控制。
The study shows that the excellent tooth surface obtained by the function-oriented design can be manufactured with the three-axis CNC gear cutting machine.
研究表明，只需用三轴联动CNC铣齿机就能加工出主动设计得到的啮合性能良好的准双曲面齿轮的齿面。
Hold the floss tightly against the tooth, and move it away from the gum. Slide it firmly down the tooth surface, combining this with a back-and-forth motion.
牙线紧紧地贴着牙齿，往上向远离牙龈的方向移动，再沿着牙齿邻面向下移动，把这个动作跟牙线的前后移动组合在一块。
Using the data of grids, the measurement process is completed automatically, the deviations of the real tooth surface from the theoretical one are obtained.
由测量点数据，测量程序控制测针自动进行测量，从而测得真实齿面的结构参数。
Generating theory of digital tooth surface is a new machining theory. There is great difference in generating motion between digital tooth surface and continual one.
数字化齿面加工理论是一种新的齿轮加工理论，它和连续齿面展成加工运动有较大的差异。
The algorithm of disperse tooth surface contact analysis is established and deduced, which lays the foundation for the digital measure and analyzing of tooth surface.
建立和推导了离散齿面接触分析算法，为齿面数字化测量分析提供基础。
That means the toothbrush handle should fit comfortably in your hand and the toothbrush head should feel comfortable in your mouth and be able to reach every tooth surface.
那就是说，牙刷柄应该合手，牙刷头应该合嘴并能刷到牙齿的每个面。
The common conjugate surface includes tooth surface of gear, working surface of solid CAM, helicoidal surfaces existing in spiral burr, worm, chip flute of cutters, and so on.
常见的共轭曲面包括齿轮的齿面、空间凸轮的工作面和螺旋面等，其中螺旋面被广泛应用于螺纹、蜗杆、螺杆泵及金属切削刀具等领域。
Screw compressor rotor tooth surface actually gaps between, and ability, can be pressed send impact liquid containing liquid gas, including dust, easy polymerization gas, etc.
螺杆压缩机的转子齿面间实际上留有间隙，因而能耐液体冲击，可压送含液气体、含粉尘、易聚合气体等。
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