The basic principle, main properties, and general situation of Multi - Beam klystron ( MBK ) are introduced.系统地介绍了多注速调管的工作原理 、 主要特点和发展概况.The main component of experiment equipment of coherent harmonic radiation in Hefei ...
With the fourteenth century the real history of the European literature begins.欧洲文学的真正历史开始于14世纪.The Festival, now in its fourteenth year, has become a major international jazz event.这个艺术节现在进行到第14届，已经成为国际爵士乐的一大盛会。The four...
She is fond of flaunting her superiority before her friends and schoolmates.她好在朋友和同学面前逞强.Did you have fun with your schoolmates for the weekend?和校友一起度周末开心 吗 ?He was a favorite with his schoolmasters but not his schoolmat...