查询词典 hyperboloid of two sheets

A hyperboloid with an aperture of 350 mm is tested by this method.

利用该方法对一口径为350mm的双曲面进行了拼接检测，拼接后得到的全口径面形误差的PV值为0.433lambda，RMS值为0.052lambda(lambda=632.8nm)。

Hence a theoretical basis is establised for design and grinding of the hyperboloid twist drill.

给出了该钻型设计参数与刃磨参数之间的函数关系式，为双曲面麻花钻型的设计和刃磨提供了一定的理论基础。

Because hyperboloid gear wheel have a series of advantage, therefore it use than spiral awl gear wheel extensive.

3双曲面主动齿轮具有较大的轴向力，使其轴承负荷增大。

Key words: steel structure; roof; hyperboloid; installation; unloading; dismantle

关键词］钢结构；屋面；双曲面；安装；卸载；拆除

Based on analyzing the multilayer perceptron neural network,it induces the error backpropagation algorithm while taking the hyperboloid tangential function as nonlinear activation function.

在分析多层感知器神经网络的基础上，推导了双曲正切函数为激励函数的误差后向传播算法。

The homocentricity of the reflectional and refractional light beam on the rotational hyperboloid is studied .

研究了光在旋转双曲面上反射与折射光束的单心性，正确得到了其近轴成象的一般公式，给出了应用举例。

For the need of target location for robot,according to the structure of the robot and the characteristic of the omni-vision system,a set of models including the reflecting model of hyperboloid mirror and imaging model were researched and built.

俞飞，硕士生，主研领域：全向视觉针对机器人对目标定位的需要，根据机器人结构及全向视觉系统的特点，研究并建立了包括双曲面镜的反射模型、成像模型在内的一套数学模型。

Thus, modeling by 5 empirical equations showed that using hyperboloid and power function fitting the relationships are quite good.

鉴于此，选取5个经验方程进行建模，结果显示，对于胸径和CI、RCI、RC1、RC2间的关系用双曲线和幂函数方程拟合较为适宜。

D. of the precise, thin, long and straight cylindrical workpiece by use of the hyperboloid guide roller pair is discussed.

讨论采用双曲面导辊副对精密细长直圆柱工件外径进行贯穿式超精研的工艺方法。

In this book a city is constantly and painfully pushed forward on rails because the world-picture of its inhabitants is of a hyperboloid where time and space are progressively distorted both north and south of an always moving optimum line.

普莱斯特以自己的作品对奥尔迪斯的《不停》致敬——是《倒转世界》（1974），在这本书里，所在是个时空逐步被扭曲的双曲面世界，一座城市被迫不停地前行。

The small blue capacitor has very high chances to go fully shorted compare to electrolytic capacitor which is very rare.

小蓝电容器具有很高的机会去充分地缩短了比较电解电容器，这是非常罕见的。

In the Italian campaigns of 1513 and 1515, when the Swiss won the victories of Novara and Marignan, he acted as army chaplain.

在意大利的运动， 1513年和1515年，当瑞士赢得了胜利，诺瓦拉和marignan ，他担任军队的牧师。