driving speed

基本解释

Road surface, other traffic, wind noise and driving speed all contributed to the cacophony.
路麪，其他交通工具，風聲和行駛的速度都會不同程度産生刺耳的聲音。
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 可能包含旅行持續時間、上車和下車延遲、從這些度量得出的客戶滿意度指數、平均行車速度等度量。
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.
（汽車的）超速档機動車輛的一種齒輪裝置，通過降低齒輪比率來減少爲將車速保持在一定範圍內而需要的輸出力

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