螺旋

The paper shows the structure evolution of bevel and hypoid gear generator as well as its working principles.

介绍螺旋锥齿轮铣齿机的切齿原理和结构演变历程，并对其各自的优缺点进行了比较，为该类机床的设计提供了理论依据。

This study offers a theoretic basis for improving machining precision and the error compensations of spiral bevel gear.

研究结果对提高螺旋锥齿轮的加工精度和进行误差补偿提供了理论依据。

A 7 degrees of freedom dynamic equation of helical bevel gear system with clearance was developed.

建立了含间隙的7自由度螺旋锥齿轮动力学方程，结合分岔图和最大Lyapunov指数曲线研究了分岔的演化过程及系统参数对系统分岔和混沌行为的影响。

The special application components are those developed for some special application, such as the calculation component of helical bevel gear.

特别的申请成份是那些为一些特别的申请，像是螺旋状斜角的计算成份的齿轮。

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 contact of the Kilngelnberg spiral bevel gear is analysis.

对克林根贝格螺旋锥齿轮的齿面接触情况分析。

The gear tooth flank form is a very important factor to dynamic performance of spiral bevel gears.

螺旋锥齿轮的实际齿面形状是影响其动力学性能的一个非常重要的因素。

It has been proved to be able to deduce neural network, and is used to solve xor-classfication problem bi- spire problem which are classic difficulty problems in artificial intelligence field.

在数学上已经证明它可以推导出人工神经元，用它可以解决异或分类问题，双螺旋问题等人工智能问题中的经典难题，它在核事故决策支持系统和高考招生系统中已经得到实际的应用。

There are all kinds of antennas used in EMC test such as biconical antennas, log periodic antenna, helical antenna, ridged horn antenna and etc.

用于电磁兼容试验的宽频带天线有很多类型，如双锥天线、对数周期天线、螺旋天线、喇叭天线等等。

Secondly, in this paper, the four typical UWB antennas of TEM horn antenna, log-periodic antenna, biconical antenna and helical antenna are theoretically analyzed and the UWB antenna design methods are generalized and discussed.

其次，本文对TEM喇叭天线、对数周期天线、双锥形天线和螺旋天线四种典型的超宽带天线进行了理论分析，总结并讨论超宽带天线的设计方法和手段。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。