Gears of first stage are changeable so that the operator can change the gear ratio based on current field condition.
第一级传动齿可变，驾驶员可根据电流与磁场情况来改变齿数比。
The clutch is also used to disengage the engine from the drive train whenever the gears in the transmission are being shifted from gear ratio to another.
此外，在改变变速器齿轮的传送比时(换档时)，离合器也被用于切断传动系与发动机之间的连接。
For instance, in a device with two gears, if one gear is twice the size of the other, the ratio would be 2:1.
例如，两个齿轮的传动机构中，如果一齿轮的尺寸是另一齿轮的两倍，那么传动比就是2：1。
To solve the problem of exaggerated angle pulse in the ratio driving and tracing measuring technique in testing in situ for large gears, the programmable dynamic frequency doubler has been developed.
为解决大齿轮在机测量过程中采用比例驱动跟踪测量技术时转角脉冲当量过大的问题，研究开发了可编程动态倍频器。
The six-speed automatic has a wide, 6.04:1 overall ratio - including two overdrive gears - that helps deliver an excellent balance of performance and fuel economy.
六速自动有着广泛的，整体的比例6.04：1-包括两个超速齿轮-这有助于提供的性能和燃油经济性良好的平衡。
In a manual transmission, gears slide along shafts as you move the shift lever from one position to another, engaging various sized gears as required in order to provide the correct gear ratio,.
在一个手动变速器里，当你操纵换挡杆从一个档位到另一个档位时，齿轮沿轴向滑动，使大小不同的齿轮进行啮合从而满足不同的传动比的需要。
The affection of the driving ratio and position-changing coefficient on the side contact macula of the gears was analysed and calculated.
本文分析计算了传动比和变位系数对齿轮副接触斑点的影响；
Definition of contact ratio of paired gears generated with sinusoidal rack and its calculation formula were given, and the effect of related design parameters on the contact ratio was also discussed.
提出正弦齿条所生成的齿轮副的重合度定义及其计算式，并且讨论有关设计参数对于重合度的影响效果。
Principle and method for selecting variable speed ratio curves of manual and power steering gears are discussed.
讨论了手动及动力转向器变速比曲线的选择原则及方法。
The cycloid-shaped gears are used widely in mini-gearing, which reduces gearing and increases its transmission ratio.
摆线轮能够减小传动器尺寸，提高传动比，在小型传动机械中得到广泛的应用。
The utility model has the advantages of compact structure, long service life, big driving torque and small loss of driving power and small maintenance ratio and can realize the replacement of gears.
本实用新型具有结构紧凑、使用寿命长、传动扭矩大且传动功率损失小的优点，它可以实现挡位的更换，维修率小。
Using strain gauge at roots of the teeth, the contact ratio of gears is measured under different loads.
通过在齿根贴电阻应变计，测量了在不同载荷下螺旋锥齿轮的重合度。
Because has cancelled the gear drive, therefore its velocity ratio may change at will, the speed change is smoother, has not shifted gears kicks the feeling.
由于取消了齿轮传动，因此其传动比可以随意变化，变速更加平顺，没有换挡的突跳感。
Because has cancelled the gear drive, therefore its velocity ratio may change at will, the speed change is smoother, has not shifted gears kicks the feeling.
由于取消了齿轮传动，因此其传动比可以随意变化，变速更加平顺，没有换挡的突跳感。
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