It allows the train to maintain a constant speed through the twists and turns of existing track.
它可以让火车在现有蜿蜒盘旋的轨道上保持匀速。
And, it moves at a constant speed.
还有，它以一个恒定的速度移动。
We've kept a constant speed all the journey.
旅途中我们保持着平稳的速度。
The rocket can fly at constant speed and constant altitude.
火箭控制系统可保证其在某一高度上平飞。
Adding of calculation function of constant speed fuel consumption.
增加计算等速油耗功能。
This results on a typical logarithmic frequency scale in a constant speed.
这样的结果对一个典型的对数频率范围在不断加快。
This method could only be applied to the cam with constant speed moving follower.
该方法只适用于从动件为等速运动规律的凸轮机构。
To stay in orbit, an object must be traveling at a constant speed over Earth's surface.
要留在轨道上，一个物体必须以恒定的速度运行于地球表面。
Moreover, a problem of cutting with constant speed and the solving method is discussed.
还讨论了恒速切割问题及需要采取的方法和措施。
The dynamic performance and the theory and basic law of the constant speed control are discussed.
讨论了系统的动态性能及恒转速控制的原理和基本规律。
The control of DC motor on robot based on VB6.0 can make robot moving with post or constant speed.
利用VB6.0语言编程实现对机器人上直流伺服电机的控制，从而实现机器人的加速和恒速运行。
By-passing to control the pressure at a constant speed is easily accomplished, but it wastes power.
容易实现用旁通控制在恒定转速下的压力，但旁通浪费能量。
If my car goes 55 miles an hour on the highway and it's going a constant speed, it's not accelerating.
如果我的车以55英里的时速匀速地行驶在高速公路上，显然它没有加速。
So far we've been talking about special relativity, which applies to objects moving at constant speed.
但迄今为止，我们谈论的一直是狭义相对论，这种理论适用于在速度不变的情况下移动的物体。
Most engines in industrial use are rated to run at a constant speed, irrespective of the load they carry.
工业上使用的大多数发动机都以恒定速度运转，而与发动机承受的负荷无关。
The paver can be controlled with constant speed. The close type speed control system USES fuzzy control tactics PID.
对其速度闭环控制系统应用了模糊pid控制策略，实现了摊铺机恒速控制。
When the locomotive is traveling at a constant speed or idling, the battery rather than the diesel engine can power the motor.
当火车头在相对恒定速度下前进或者空转时，这时电池就为马达提供能量，柴油发动机不工作。
And so the center of mass will just laugh at us and ignore all these motions and will travel at a constant speed very nicely.
重心会嘲笑我们，它忽略所有运动，它会匀速运动。
Maxwell showed that light was a vibration in the electromagnetic field, and that it travelled at a constant speed, c, in a vacuum.
马克思·威尔指出光是种电磁波，其在真空中的传播速度是个常数c。
This ratio also means that an unpowered hang-glider flying at a constant speed moves 15 metres forward for every one metre it descends.
这个比例也意味着一架无动力悬挂式滑翔机以恒定速率飞行时高度每下降1米，可以向前滑翔15米。
For example, in the universal testing machines, the motion between the fixed and moving crossheads can be controlled at a constant speed.
例如，在万能拉伸试验机上，固定端和移动的十字滑块之间的变形是以恒定速度进行的。
The high speed extrusion behaviors of several polyolefine melts were investigated by a double capillary rheometer of constant speed type.
采用恒速型双毛细管流变仪研究一批聚烯烃熔体的高速挤出行为。
The differential equations of motion of a particle constrained to moving in a constant speed are deduced from the kinetic energy theorem.
对于受速率为常数约束的运动质点，可以应用动能定理建立其运动微分方程。
When we're bored, or moving slowly -for example, driving at constant speed across a monotonous landscape -it seems to pass at glacial speed.
无聊或移动缓慢的时候，比如开车匀速驶过一片单调乏味的景致时，时间似乎又像冰川挪动速度一样慢。
Constant speed drive, a hydro-mechanical component for changing variable engine gearbox speed to constant speed to drive the electrical power.
恒速驱动装置，将发动机齿轮箱的可变转速转变为恒速以驱动电源的液压机械式部件。
When we're bored, or moving slowly - for example, driving at constant speed across a monotonous landscape - it seems to pass at glacial speed.
无聊或移动缓慢的时候，比如开车匀速驶过一片单调乏味的景致时，时间似乎又像冰川挪动速度一样慢。
When we're bored, or moving slowly - for example, driving at constant speed across a monotonous landscape - it seems to pass at glacial speed.
无聊或移动缓慢的时候，比如开车匀速驶过一片单调乏味的景致时，时间似乎又像冰川挪动速度一样慢。
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