Many are self-steering, use GPS to cross a field, and can even "talk" to their implements—a plough or sprayer, for example.
很多都是自动驾驶的,使用 GPS 穿越田地,甚至可以和他们的工具“交谈”——比如,与犁或喷雾器。
The self-driving car has no steering wheel, accelerator or brake pedal, and its fastest speed is no more than 25 mph (about 40 kilometers per hour).
这辆无人驾驶汽车没有方向盘、油门或是刹车踏板,并且它的最快时速不超过25英里每小时(约40千米每小时)。
This paper describes main features of self-steering radial bogie and its application on X2000 high speed train, suburban train and other passenger trains.
介绍径向自导向转向架的主要特点及其在X2000型高速列车、市郊列车以及其他列车上的应用。
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