Gyroscopes are used in navigational instruments for ships, aircraft, and spacecraft.陀螺仪用于船舶 、 飞机和宇宙飞船中的导航设备.The principle, characteristics, classification and key technologies of fiber - optic gyroscopes are summarized.综...
蒙博托出身行伍，通过一级级晋升，最终成为了陆军司令。Mobutu ascended through the ranks, eventually becoming commander of the army.技术方面由陆军负责。The technical aspects were the concern of the Army.罗伯特很想谈谈陆军生活。Robert was eager to talk about life in the A...
他是个很容易出局的棒球运动员.He is an easy out.他在两人占垒无人出局的情形下作牺牲打.He sacrificed with two on and none out.格雷姆·希克未出局拿得58分，从而使伍斯特郡队以132分3人出局的成绩回敬了米德尔塞克斯队的202分。Graeme Hick scored an unbeaten 58 as Worcestershire replied to Middlesex'...