Astronomers used to ask why only Saturn has rings.天文学家们过去一直感到奇怪,为什么只有土星有光环.Saturn was to launch the 15 th flight, a Moon orbital mission.第15次飞行利用萨杜恩将飞船送人月球轨道.The Saturn family of launch vehicles falls into three types or...
神经网络是模拟大脑工作方式的计算机系统。Neural networks are computer systems which mimic the workings of the brain.子弹已经进入了大脑顶部。The bullet had entered the top part of the brain.我试图将先前的境遇从大脑中抹去。I was trying to blank out previous situations fr...