Brittleness is often a result of alloying.脆性往往是合金化的一种结果.The mechanism, equipments and feature of mechanical alloying technology were introduced briefly.综述了机械合金化的原理 、 设备和特性及其对材料的影响.Innovative laser processing ( surface ha...
早期的天文学家认为我们的星球是宇宙的中心。Early astronomers thought that our planet was the centre of the universe.人类对于宇宙的了解已经大为增加。Mankind's knowledge of the universe has increased beyond measure.宇宙的浩瀚难以捉摸。The immensity of the universe ...
The mammoth has now been restored in the Palaeontological Museum in Leningrad.这只长毛象现在在列宁格勒的古生物学博物馆修复了.Leningrad was the third alien city to offer him a surrogate home.列宁格勒是他在异地安家的第三个外国城市。The Caucasians of this type are v...
She is a lead singer in a pop group.她是流行歌曲演唱团体的最重要的歌手。'Whatever is that row?' she demanded. 'Pop festival,' he answered.“那闹哄哄的究竟是在做什么？”她问道。“是流行音乐节，”他回答说。'Boy,' wheezed old Pop Ryan.“孩子”，老波普·...
It took a generous helping of entrepreneurial confidence to persevere during this incident.在这一事件中坚持下来是有了充足的创业信心的。Many of the entrepreneurial figures connected with the earlier era had already departed.许多与过去的年代相联系的企业家已去世....