分析了双圆弧法拟合非圆曲线的特点。
The characteristics of double arc gain on non-circular curve are analyzed.
对圆曲线贯通误差进行了深入的探讨。
The error ellipse of joints in circular tunnel is deeply discussed.
曲线是由一条圆曲线和两条缓和曲线组成。
A curve is composed of a circular curve and two transition curves.
在这样的曲线中有希皮阿斯发明的割圆曲线。
本文仅对圆曲线段的用地面积计算作一探讨。
This paper discusses the computation of used land area in round curved sector only.
提出了一种利用最小二乘圆弧逼近非圆曲线的方法。
The method of least squares approximation for non-circular curve is suggested.
探讨在数控机床上加工非圆曲线轮廓的等误差直线逼近算法。
In NC Machining, the equal error straight lines approaching of non arc curve profile are investigated in the paper.
我已作出了圆曲线，并且我也有点在现场只是因为头发会掉下来。
I have made a circular curve, and I make it a little up in the scene just because the hair will fall down.
介绍了测设和检验圆曲线的两种新方法：任意角夹角法和任意切线长支距法。
This paper presents two kinds of new methods for setting out circular curve: free angle and tangent length method.
在线路施工测量中，圆曲线测设方法有很多，通常采用偏角法或切线支距法。
There are many methods to measure the circular curved line in circuitry construction survey. Angle offset method and tangent offset method are usually used.
本文针对不同精度要求，不同形状的盘形非圆曲线回转凸轮论述其加工方法。
This article demonstrates the manufacture technique for different precision demand or different sharp non-circle curve cam.
阐述了道路施工测量中控制网的布设及用偏角和弦长进行圆曲线详细放样的方法。
This paper introduces the setting of control net in road construction survey and presents the method of detailed setting out for circular curve by means of avertence Angle and chord.
还提出了一种针对直线和圆曲线的道路数据平差模型，以及规划道路数据组织方案。
A mathematical model is suggested to balance the beeline and the circular curve road data. Furthermore, the scheme of data organization for the planning roads is suggested.
同时，对具有参数方程形式表示的非圆曲线进行了等间距直线逼近的节点误差分析。
While there is the analysis of node tolerance with parameter equation on approaching along a straight line with equal step.
通过研究在刀具上增加辅助运动来实现非圆工件的切削，探讨车削非圆曲线工件的新方法。
Some new methods to cutting the non-circular curve parts were discussed, the cutting of non-circular parts was realized through adding assistant movements on the cutter.
介绍回头曲线采用圆曲线时，其半径以任意值和指定值的测量放样，以达到灵活应用的目的。
This paper introduces the measuring sample layout of the back curve, when the back curve is round, the radius can be any value or given value for realizing its flexibility of application.
建立了在线切割系统中用尽可能少的圆弧近似代替非圆曲线的优化模型，采用二分法进行求解。
The optimization model of which arc approximately substitute non-circular cure is established in this paper, and result is get by the method of dichotomy.
介绍公路工程施工中，圆曲线和缓和曲线上涵洞轴线的放样方法，这种方法简单易行、速度较快。
The paper introduces staking out method of culvert axis of round and transition curve in highway engineering construction. The method is easy to operate with fast speed.
非圆曲线轮廓是机械零件常见的轮廓要素之一，绝大多数数控机床只具备直线插补和圆弧插补功能。
Non-circle curve is one of familiar outlines, but most numerical control machine tools only have linear interpolation and circular interpolation.
理论和实践证明，六次代数式缓和曲线是一种质量较高的缓和曲线，它适用于作小半径圆曲线的过渡曲线。
The transition curve of 6th power function is a higher quality of transition curve in theory and practice. It is also suitable for use to a small radius circle curve as a transition curve.
本文讨论了数控加工宏程序编制的注意事项，介绍了利用宏程序进行复杂非圆曲线柱面数控加工的程序编制实例。
This paper introduces numerical control programming and how to use macro program to make numerical processing of complex the out of round curve cylinder.
为了研究列车中各车辆在直线上和大半径圆曲线上的蛇行稳定性，建立了具有17个自由度的车辆系统非线性数学模型。
In order to study the straight and circular curved track stability of each vehicle in the train set, a mathematical model of vehicle system with 17 freedom degrees was set up.
具有非圆曲线外形的零件形状复杂，传统的靠模加工法柔性差，不能满足机电元件类型多样化、产品更新换代快的要求。
The parts with non circularity curve have very complex shape. The traditional machining method has bad flexibility, and it can't respond the variety of the electromechanical components updated.
在中部，可以看到那些同心类圆的两个中心，虽然它们并不是圆，但它们的闭合曲线确实是同心的。
In the middle, you can see these two origins with these concentric circles which are not really circles, but, you know, these closed curves that are concentric.
来看一下这一点，这里双曲线和圆刚好接触的地方，首先，我不知道我要看的是圆上面的哪一点。
If you look at this point where the hyperbola and the circle touch each other, first of all, I don't know which circle I am going to look at.
在曲线处的内轨和外轨通常打磨成不对称的形状，目的是改善共形接触，增大内外车轮滚动圆的直径差，利于导向。
Curves generally are ground with asymmetric profiles that promote conformal contact in order to take advantage of the rolling radius difference and enhance steering.
提出一种基于数字图象处理技术的方法，可用于对圆图记录仪的记录曲线进行数据处理。
A method based on digital image processing technology is described. With this method data recording curves on round charts can be processed.
提出一种基于数字图象处理技术的方法，可用于对圆图记录仪的记录曲线进行数据处理。
A method based on digital image processing technology is described. With this method data recording curves on round charts can be processed.
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