因此，AC输入电机和驱动系统具有在很宽的转速范围内扭矩特性优越，从低到高的速度，提供了大速比。
Thus, the ac input motor and driver system has superior torque characteristics over a wide speed range, from low to high speeds, offering a large speed ratio.
除非你在空气动力学实验室工作，否则没有人知道汽车在空气的阻力下行驶时，75英里的时速比65英里要多消耗多少能量，事实是这个差距非常大。
Unless you work in an aerodynamic lab, you don't understand how much more energy it takes to push a car through the air at 75 MPH than at 65 MPH, but it's huge.
因此，这种传动装置特别适合应用于各种需要大减速比和传递大功率的装备之中。
Especially it is suitable for being used in all kinds of equipments required high power and big reduction ratio.
一档变速传给车轮的转矩比五档传出的转矩大，因为一档变速有大的传动比，而大的降速比则加大了驱动力矩。
More torque can be sent to the wheels in first gear than in fifth gear because first gear has a larger gear-ratio by which to multiply the torque.
对重庆大剧院周围风环境进行了测量，并根据人群主要活动场所的风速比值，评价了该建筑周围的风环境。
The wind environment around Chongqing Grand Theater is measured. According to the ratio of wind velocity k, the wind environment around the building is evaluated.
目的提出一种大容量指纹数据的快速比对新方法。
Objective To set up a new matching method quickly processing a large amount of fingerprint date.
CFD模拟结果表明，直管试样入口处局部流速比平均流速高约24%，表面剪切力大，与实验结果一致。
CFD simulation results show that the entrance velocity is about 24% higher than the local flow velocity, resulting into large surface shear force, is consistent with the experimental results.
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.
波速比随温度升高波动大，无规律可循，随频率升高明显下降。这些可作为地震或其他疲劳损伤的前兆。
There exists a large variation of velocity with temperature and frequency, which can be applied as the omens of earthquake or fatigue damage.
波速比随温度升高波动大，无规律可循，随频率升高明显下降。这些可作为地震或其他疲劳损伤的前兆。
There exists a large variation of velocity with temperature and frequency, which can be applied as the omens of earthquake or fatigue damage.
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