All places on the same meridian have the same longitude.在同一子午线上的地方都有相同的经度.He is now at the meridian of his intellectual power.他现在正值智力全盛期.Terrestrial longitude is measured in degrees east or west of the Greenwich meridian...
In all cases the gnomon lies in the plane of the meridian.表始终都处于子午面内.One product that disinfects water with UV light is called AquaStar, made by Meridian Design.其中一种使用强光来净化水的产品叫做“水星”, 是由子午线设计公司制造的.Only rarely did busines...
The developed electronic - actuator was used to realize its mechanization.应用电子操动系统来实现其机械化工程,并给出了计算模型.Performance of control system can be influenced by actuator.执行机构对调节系统的性能有很大影响.A new torque identification strategy of v...
有一颗小行星可能会与地球发生碰撞。There is an asteroid on a collision course with the Earth.小行星, 亦称为 “ 小型行星 ”, 在外太空中不计其数.Asteroids, also known as " minor planets ", are numerous in the outer space.最大的小行星是谷神星,体积约为月球的1/4.The largest astero...
The radio had fed him a diet of pop songs.他从广播里听到的都是千篇一律的流行歌曲。Somalia, pop. 7.9 million, income per head about £1.60 a week.索马里，人口790万，人均收入大约每周1.60英镑。I'll make the tea and you pop off for a while.我来备茶，你去歇一会儿吧。...
Uganda's beautiful highlands are host to a wide range of wildlife.乌干达美丽的高地是众多野生动物的栖息地。Uganda began wide spread child vaccinations against HIB Hib in 2002.在2002年乌干达开始广泛地使用针对Hib的疫苗接种.It was with some trepidation that ...