依靠一系列的摄像机和超声雷达感应器，汽车能够确保在车道内行驶，并与其他车辆保持安全距离。
It relies on a series of cameras and ultra-sound radar sensors that ensure the car stays in lane and is a safe distance from other cars.
雷达控制系统同样在高车速时启动并通过自动加减车速来保持与其它车辆间的固定距离并在预见事故时发出警报。
Called Distronic, it also operates at high speed and adjusts both braking and acceleration to maintain a constant distance from other cars. If a collision seems likely a warning is given.
航天飞行器试用雷达和光学传感器来计算彼此距离来完成最后的接触和对接。
The vehicles used radar and optical sensors to compute their proximity to each other and guide their final approach and contact.
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