The system obtains 2-D data of the thread axis profile section by CCD with optical projection and machine driving.
该系统采用光学的方法，借助机械传动通过CCD摄像，获取螺纹轴剖面外轮廓的数字图像。
Some simulations show that the imaging results are in much good agreement with the true conductivity profile by array multi information on the axis of symmetry.
一些数值模拟表明，利用阵列多信息能很好地对复杂地层进行成象，且成象结果与真实电导率剖面分布吻合得比较好。
There is a long, narrow profile that follows a north-north-east / south-south-west axis, with a north-facing slope.
沿南北、东北西南轴方向，有狭长的侧面，北向坡。
Some numerical examples show that the inversion results are in much good agreement with the true conductivity profile by dual induction tools measurements at the axis points.
一些数值例子表明，只利用双感应测井信号也能很好地反演出地层电导率径向剖面，且反演结果与真实电导率剖面分布吻合得相当好。
We extract the geometry features according to the rotational axis and the profile.
根据旋转轴和轮廓线，提取碎片的几何特征；
The new method without movement paralleled with the axis of the gear makes the lead error measurement can share same generating system with profile measurement.
此方法不需要测头沿齿轮轴线方向的运动系统，利用齿形测量系统即可测量齿向误差。
Extracting entire features, such as rotational axis and profile from archaeological fragment is helpful for rapid reconstruction of cultural relics.
从来自旋转体文物碎片中估计出旋转轴，轮廓线这些整体特征有助于快速修复文物。
The numerical simulations show that the imaging results based on AIT single frequency measurements on the axis of symmetry are in excellent agreement with the true conductivity profile.
数值计算表明，用井轴上 AIT的单频测量信号得到的成像结果与真电导率剖面分布吻合较好。
Explicit calculation of swept profile for 5-axis table rotation type of NC machining;
提出一种显式表达主轴摆动式五轴数控加工中环形刀具上扫掠轮廓线的算法。
The expression of the axis section profile of grinding wheel used to machine double-circular-arc gear is derived in detail. And the general calculator program is developed.
本文详细地推导出加工双圆弧齿轮的砂轮截面廓形的计算表达式、并研制了通用的计算程序。
The key to fine machining gear by profile grinding method is how to calculate and shave the axis section profile of grinding wheel.
成形磨削法精加工齿轮的关键在于修整砂轮的截面形状。
The study of the swept profile in 5-axis machining was always focused on a spindle type of machine.
国内外对五轴数控加工中的扫掠轮廓线的研究往往集中于主轴摆动式机床。
In this paper, a mathematic model of the straight axis rotate blade is introduced by analysing the forming principle of the blade profile and applying the theory of 3d geometry transformation.
本文通过对直轴旋转叶片型面成形规律的分析，运用三维几何变换理论，推导出了直轴旋转叶片型面的数学模型。
In this paper, a mathematic model of the straight axis rotate blade is introduced by analysing the forming principle of the blade profile and applying the theory of 3d geometry transformation.
本文通过对直轴旋转叶片型面成形规律的分析，运用三维几何变换理论，推导出了直轴旋转叶片型面的数学模型。
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