In Britain the Chancellor of the Exchequer deals with taxes and government spending.英国的财政大臣负责税务和政府的开支。The Chancellor of Exchequer will present his budget to Parliament tomorrow.财政大臣明天将向议会提出预算案.The Chancellor of the Exche...
Frank Deford is a special correspondent for Newsweek magazine.弗兰克·德福特是《新闻周刊》杂志的特派记者。Our economics correspondent, James Morgan, is just back from Germany.我们的财经记者詹姆斯·摩根刚刚从德国回来。From Nairobi here's our East Africa corre...
Application of samarium diiodide in mediating intramolecular cyclization reactions was reviewed.综述了二碘化钐在分子内环化反应中的应用.Sodium ethylate was used as catalyst in Baker - Venkataraman of cyclization, and all factors were studie...
其核酸结构为线状双股DNA, 衣壳为二十面体对称,有囊膜.It has linear double strand DNA, icosahedral - capsid and envelope.八面体和二十面体的三角化效果不错,而且也不难实现.Octahedral and icosahedral tessellations work well and are notvery difficult to implement.球状病毒衣壳采用二...