With human supervisors in the passenger seat, seven test cars have driven 1, 000 miles without human intervention and more than 140, 000 miles with only occasional human control.

7辆测试车都有人坐在乘客座位上监视，在不需要人干预的情况下这些车已经开了1000英里。如果要开14万英里以上，人只需偶尔地控制一下车辆。

youdao

With human supervisors in the passenger seat, seven test cars have driven 1,000 miles without human intervention and more than 140,000 miles with only occasional human control.

7辆测试车都有人坐在乘客座位上监视，在不需要人干预的情况下这些车已经开了1000英里。 如果要开14万英里以上，人只需偶尔地控制一下车辆。

youdao

Because in some of the events, once the stopwatch ticks off, the competition must go on without any human guidance or control.

因为在一些比赛中，一旦秒表开始计时，比赛就必须在无人类引导和控制下进行。

youdao

The firm has just successfully completed tests on a 30 kW prototype to see if its control system lets it launch, hover, generate power and land without human intervention.

BBC: Google acquires kite-power generator