在学校，孩子们通过一种“自行车系统”泵水。
At schools, children pump the water through a "bicycle system."
一方面，蒙特利尔自行车分享系统拥有成熟的技术；另一方面，我们与各城市直接签订合同。
Public Bike System created a better technology. And we have direct contracts with the cities.
相形之下，只需不足1,000万美元，就能建成一套可以改变整座城市的自行车分享系统。
With bike sharing you can get a city-changing system for less than $10 million.
为了解决这些问题，本论文提出自行车管理控制系统的工作原理及设计方案。
To address these issues, this paper presents a bike management control system works and design.
而在一辆山地自行车，有功能，比如前减震器和前后悬挂系统。
Whereas in a mountain bike, there are features like front shock absorbers and rear suspensions.
而在一辆山地自行车，有功能，比如前减震器和前后悬挂系统。
Whereas in a mountain bike, there are features like front shock absorbers and rear suspensions.
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