If robots are to become more sophisticated, they will have to have more efficient, more precise and more intelligent actuators.
对首都北京的规划工作，明确提醒“规划科学是最大的效益，规划失误是最大的浪费，规划折腾是最大的忌讳”；
The Los Angeles District Attorney's Office declined to comment when contacted by the BBC.
圖像來源，Po/@polarts_