Gears help them change speed — like on a bicycle. Switch gears. So is this a biking expression? Let's listen.
齿轮帮助他们改变速度——像自行车一样。所以这个一个自行车的表达吗？我们听一听。
This expression is based on the idea that a machine or vehicle will change speed when you change the gears. And that's English in a minute.
这个表达出自于机器或者齿轮会由于齿轮的改变而改变速度的原理。以上就是英语一分钟的内容。
Gears help them change speed — like on a bicycle.
齿轮帮助他们改变速度——像自行车一样。
Single-speed cycles-that is bikes with no gears, are really only suited to short, casual rides.
单速自行车是指没有变速装置的自行车，只适合短途的休闲旅游。
The pics do however show the gears in a 2 speed reel and also why you should at least rinse your reel properly and grease it.
但显示的照片做在2速度卷轴的齿轮，也就是为什么你应该至少冲洗你的卷轴正确和油脂的。
Gears change within milliseconds, without having to reduce speed, decrease engine power or use a clutch.
换档能够在毫秒级的时间内完成，无须减速，无须降低引擎动力，同样不需要使用把手。
Life is like a ten-speed bicycle. Most of us have gears we never use.
人生如同变速自行车，很多档，很多人都不曾用过。
Single speed cycles - that is bikes with no gears, are really only suited to short, casual rides. Their attraction is their simplicity and reliability.
单速自行车——没有齿轮，只适合短程，任意骑。特点是简单、可靠。
An kind of optimal design of elliptic gears for the paper-transferring mechanism with variable speeds is introduced in this paper to meet the need of high-speed offset press.
研究了适合于高速胶印机的纸张输送机构———椭圆齿轮变速输纸机构的优化设计问题。
The friction factor between two tooth surfaces of instrument gears during one meshing process is imitatively measured in this paper under the condition of ultra-low-speed.
本文在极低速情况下，模拟测定了仪表齿轮在一齿啮合过程中两齿轮齿面间摩擦系数的变化情况。
Easy to change speed by gears.
易于改变齿轮的速度。
The results show that the floating displacements of center gears change largely with the increase of the system power while change slightly with the increase of the system rotate speed.
结果表明：中心轮的浮动位移随系统输入功率增大而增大，随系统转速增大而减小；
Mechanical travel drive of side transmission, hydraulic vibration and steering with three-gears travel speed for convenient transport between construction sites.
齿轮侧传动行走，液压振动，液压转向，三挡速度，转场方便；
It is pointed out how these different versions of Marine gears meet the different requirements of the various types of high-speed craft.
本文指出各种不同的结构被用来适应各种高速船舶的不同需要。
In a vehicle with manual transmission, shift gears as you increase speed.
手动档车辆，应即时加速换档。
Gives a new method which designs tooth forms of pre-grinding hob according to thepartical demands on hob of gear, and designs a kind of pre-grinding hob used in high-speed traction gears.
根据高速牵引齿轮对齿轮滚刀的特殊要求，提出了设计磨前滚刀齿形的新方法，并用此法设计了高速机车牵引齿轮的磨前滚刀。
In order to set up the dynamics model of the transplanting mechanism with planetary elliptic gears of high-speed rice transplanter, the effect of seedling-pushing device on it must be analyzed.
为了建立高速水稻插秧机椭圆齿轮行星系分插机构的动力学模型，必须分析推秧装置对该机构的作用。
Through analyzing the problem of short life of gears in the main gearbox, the design programme for composite hard-surface gears in high-speed level is described.
通过对主减速机齿轮寿命不足问题的分析，提出了在高速级采用组合式硬齿面齿轮的设计方案。
Flyer and winding sections can adopt bevel gear transmission. The gears are precisely processed, the running speed is high and the noise is low.
锭翼、卷绕部分可采用斜齿轮传动，齿轮均经过锑齿加工，运转速度高，噪音底。
Speed change gears is widely used in mechanical transmission system.
机械传动系统中广泛使用齿轮变速装置。
There was big vibration in blower bush (linking up with a speed increasing box) vertically and axially after changing of the speed increasing box gears of the blower.
风机增速箱齿轮更换后，导致风机轴瓦(与增速箱相连)垂直、轴向振动大。
With this database system, the running speed of the spiral bevel gears' CAD system will be higher and the results of design will be more accurate.
利用该数据库系统，将使弧齿锥齿轮CAD系统的运行速度更加迅速、设计结果更加准确。
For spiral bevel gears' formate gear, using proper figurate cutting tool and generic CNC machining center, the gear's hard tooth-surface can be milled with high speed.
螺旋锥齿轮副的成形法大轮，利用合适的成形铣刀，在通用的立式加工中心上，可以实现热处理后硬齿面的高速铣削。
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。
Gears inside the transmission change the vehicle's drive-wheel speed and torque in relation to engine speed and torque.
变速器内的齿轮，改变车辆驱动轮和发动机之间转速和扭矩的比例。
The spindle speed of CA6140 remains the manual function of shifting gears. The alteration is easy and it can reduce labor intensity and improve productive efficiency.
CA6140车床主轴转速部分保留原车床的手动变速功能，改造简单易行，可降低劳动强度，提高生产效率。
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。
Now both the side gears and axle shafts move at the same speed.
现在两个半轴齿轮和半轴的转速相同。
Now both the side gears and axle shafts move at the same speed.
现在两个半轴齿轮和半轴的转速相同。
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