将一个英文段落翻译成中文。
英文段落：
"The bicycle is the most efficient human-powered means of transportation in terms of energy a person must expend to travel a given distance. From a mechanical viewpoint, up to 99% of the energy delivered by the rider into the pedals is transmitted to the wheels and creates propulsion."
自行车是人类在交通工具方面，按照人体消耗的能量来说最有效率的一种。从机械的角度来看，由骑手脚踏车产生的能量，高达99%可以传导到车轮，产生推进力。