Prisms providing deviations ranging from about 15� � to roughly 45� � are available commercially.市场上能买到的棱镜的偏转角大约从15°到45°.Inter - satellite ranging is crucial in Gravisat and autonomous navigation.星间测距是重力测量卫星和卫星自主导航的关键技术....
我们在物色可靠而又勤奋的人。We are looking for someone who is reliable and hard-working.勤奋的小伙子a studious young man他具备节俭和勤奋的美德.He has the virtues of thrift and hard work....
I was perfectly happy just pottering around doing up my flat.我特别愿意悠然自得地收拾公寓。I spent the day pottering around the house.我在家里逍遥了一天。He used to be pottering about in a canoe on summer afternoons.他过去常常在夏日午后驾轻舟荡漾....