standard tooth的例句大全

3-D reconstruction of standard tooth crown and related shape deformation

标准牙冠计算机三维图形的重建及其空间几何变换的研究

The deformation design is finished. ( 3) The construction technology of the standard tooth crown database is researched.

研究了标准冠数据库的建库技术。

Methods: We studied 15836 ceramic restorations of 4340 cases from 138 clinics in 18 provinces throughout China and compared their shade with that of the adjacent natural teeth using the Vita shade guide which has 16 standard tooth colors.

方法：对1994年4月～1998年4月国内18个省市138家口腔门诊或诊所制作的烤瓷修复体的比色记录进行调查统计，共计4340例患者15836颗牙。

Objective To establish the standard tooth crowns and bridges database in CAD/ CAM system and help the doctor rapidly design the shape of tooth crown according to model data template from the database.

目的：开发口腔修复CAD/CAM系统中标准牙冠和桥体数据库原型系统，帮助口腔医生快速获得牙冠设计的数据模板，为高效地设计牙冠模型作准备。

based on both dental anatomy and cad theory, dental features for tooth modeling are summarized, and the feature-based modeling of the standard tooth is presented as follows.

作为义齿CAD/CAM的基础，从牙齿形态解剖特征和CAD技术的双重特点出发，提炼出用于计算机建模所需要的牙齿表面特征，并提出基于特征的标准牙模型及其建构技术。

Methods: The color of3 kinds of imported composite resin and that of Chinese tooth crown of normal individuals was measured based on standard background with spectrum colorimeter.

方法：选取3种临床上常用之进口光敏树脂为实验材料，在标准背景下以分光光度计测定其色度值后，与天然牙冠色度范围进行比较，分析其色度分布差异。

Methods Investigated dental calculus, gum infection, incidence of decayed tooth and the method and times for tooth brush in accordance with the decayed tooth and periodontal disease investigation standard in China.

方法按我国龋病、牙周病调查标准就牙石、牙龈炎、牙周袋、龋病发病率及刷牙次数和方法进行调查。

In this paper, a method of using single laser& beam spiral scanning to treat the tooth surface of standard spur gear is proposed.

提出标准直齿圆柱齿轮轮齿表面应用单激光束螺旋扫描的处理方法。

cylindrical gears for general and heavy engineering. standard basic rack tooth profile.

普通和重型技术设备用圆柱齿轮.标准基本齿条齿牙剖面

cylindrical gears for general and heavy engineering - part 1 : standard basic rack tooth profile

一般和重型机械用圆柱型齿轮.第1部分：原始齿形

machining stub tooth gear with standard gear hober

用标准齿轮滚刀加工短齿齿轮

When worm gear pair is formed by standard worm and worm wheel generated by hob of type ⅱ, its sensibility to errors is reduced while the worm gear pair is assembled originally and good tooth contact quality is acquired after its running in.

本文提出失配修形法，用标准蜗杆与由Ⅱ型滚刀加工的蜗轮失配啮合，使蜗杆副初装时对误差不敏感，跑合后得到良好的接触质量。

Minimum Teeth of No-undercut Standard Gear with Arcuate Tooth Traces

标准圆弧齿线圆柱齿轮不发生根切的最少齿数

By this method one can obtain a higher contact ratio under conditions of no undercut and ensure thickness of tooth top, which is possible to be manufactured by the current machine tools and the standard cutters.

这种方法可以有效地增大端面重合度，并保证所设计的齿轮不根切、齿顶不变尖，可在现有机床上使用标准系列刀具加工。

Gear tooth tip relief based on standard hob

基于标准齿轮滚刀的齿顶修缘

Parameterize Tooth Profile Slope Deviation Measuring Uncertainty in Gear Measuring Center Standard

齿轮测量中心标准中齿廓倾斜偏差测量不确定度参数的确定

Transformation from Rack-type Geer Cutter into Geer Hobber. The authors proposed a high-efficiency CNC generating method for cylindrical gear with arcuate tooth traces, by means of a standard hob and studied the bobbing mechanism.

提出了一种利用标准齿轮滚刀滚切圆弧齿线圆柱齿轮的数控加工方法。