在国内外学术交流活动中,通过书面表达的方式来交流经验,讨论问题是最方便、最有效、最普遍易行的一咱途径。可以说英语写作是目前进行国际学术交流的根本途径之一。要写好科技文章,就得注意写好文章各段的主题句。写好了主题句,还得注意辅助句的写作,从而才能扩展主题。总之,有了主题句,还要注意主题的推进。下面介绍几种主题推进的方法。 In domestic and foreign academic exchange activities, the exchange of experiences through written expressions is the most convenient, most effective, and most accessible route. It can be said that English writing is one of the fundamental ways to conduct international academic exchanges. To write good science and technology articles, you must pay attention to writing the subject sentences of each paragraph of the article. After writing the topic sentence, we must pay attention to the writing of the auxiliary sentence so as to expand the subject. In short, with the theme sentence, we must pay attention to the promotion of the theme. Here are some ways to advance the topic.