全新的动力装置以齿轮传动结构为特点，此结构允许前端风扇转速比中心部分慢3倍，优化了发动机各部分的速度。
The all-new powerplant features a geared architecture allowing the front fan to spin three times slower than the core, thus optimising the speed of each section of the engine.
由于DAC和齿轮减速比都影响着伺服系统的开环增益，当系统开环增益一定时，DAC位数的实际作用和减速比的选择相互限制，在设计雷达伺服系统中需注意。
When the open-loop gain of servo system is determined, the selection of DAC resolution and gear ratio is restricted each other and should be paid much attention in the design of servo system.
作为摩托车初级传动的曲轴齿轮及初级从动齿轮，由于转速高及降速比大，是产生噪声的主要因素。
The primary drive gear(crankshaft gear)and the primary driven gear are the source of noise due to their high speed and bigger reduction ratio.
对汽车变速比齿轮齿条式转向器的啮合原理进行了系统研究。
In this paper, the meshing theory of rack and pinion steering gear with variable ratio is studied systematically.
基于齿轮传动平稳和恒速比的特点，文中研究了一种不完全齿轮机构。
Based on the characteristics of stable gear transmission and constant speed ratio, a kind of imperfect gear mechanism was studied in this paper.
齿轮连杆组合机构可以实现复杂的运动规律，也可以实现高阶停歇运动与近似等速比传动。
Gear linkage combination mechanism can be complex law of motion, stop motion can also be achieved with high transmission speed ratio similar to other.
减速器的主要参数包括：输入功率、减速比、输入转速、齿轮参数等。
The main parameter that decelerates a machine include: input power, decelerate a ratio and input to turn soon, wheel gear parameter etc.
研究了定中心距、定啮合角变速比齿轮的啮合原理。
The conjugate principle of the variable ratio gear with constant center distance and constant contact Angle has been analysed.
有时，一次用多级齿轮传动可获得大的降速比。
Sometimes, many spur gears are used at once to create very large gear reductions.
关键是普通自行车的链传动前后有个齿轮的速比，你这个是多少？
The key is there are a speed rate between front wheel and back wheel to the chain drive of common bicycle, what of you design ?
基于齿轮的范成加工原理，提出了一种变速比齿扇齿廓的定中心距齿轮建模法。
Based on the principle of gear machining generating method, a modeling method - variable center distance gear modeling method for variable ratio gear sector profile is put forward.
基于齿轮的范成加工原理，提出了一种变速比齿扇齿廓的定中心距齿轮建模法。
Based on the principle of gear machining generating method, a modeling method - variable center distance gear modeling method for variable ratio gear sector profile is put forward.
应用推荐