星期六早上，我失去了在自由练习了很多时间，因为对赛车的液压系统的问题。

On Saturday morning I lost a lot of time during the free practice session, because of a problem with the car's hydraulic system.

youdao

针对自由曲面走刀方向数控加工的研究，建立了简化的刀具轨迹时间模型，并对路径规划的系统进行了讨论。

To aim at the research on cutting direction in NC machining of free-form surfaces, a simplified time model for tool trace is established, and the system of tool path programming is discussed.

youdao

用户只需通过短时间的适应性训练即可掌握系统的操作，轻松自由地通过眼睛来控制整个系统。

Though a short-time suitable training, the disabled persons can operating this system by their eyes.

youdao