driving speed

基本解释

Road surface, other traffic, wind noise and driving speed all contributed to the cacophony.
路面，其他交通工具，风声和行驶的速度都会不同程度产生刺耳的声音。
It might contain metrics for trip duration, pick-up and drop-off delays, a customer satisfaction index derived from these, average driving speed, and so on.
一次旅行的 MC 可能包含旅行持续时间、上车和下车延迟、从这些度量得出的客户满意度指数、平均行车速度等度量。
A gearing mechanism of a motor vehicle engine that reduces the power output required to maintain driving speed in a specific range by lowering the gear ratio.
（汽车的）超速档机动车辆的一种齿轮装置，通过降低齿轮比率来减少为将车速保持在一定范围内而需要的输出力

Waze tracks the driving speed of everyone using it, a feat of passive crowdsourcing that works whenever people have the app running.
FORBES: Waze Keeps You Out of Traffic, as GPS Meets the Power of the Crowd
As you drive around, the app will tell you just how much your driving is actually costing you based on that last fill-up and your driving speed.
ENGADGET: Automatic Link connects phone and car for better driving, we go hands-on (video)
If on the way home, Now tracked your driving speed using its GPS system and notified relevant authorities that you were 15 mph over the speed limit most of the way home (and slow-rolled through two stop signs, instead of coming to a complete stop).
FORBES: 'Google Now's' Terrifying, Spine-Tingling, Bone-Chilling Insights Into Its Users