1科技英语阅读

the rotation of a multiple-edged cutting tool.?-- Everything I saw in my hometown was marvelous. I could hardly believe that it had undergone such swift changes through cultivating fruits, vegetables, flowers and the rest in the past few years.РObjectivity (客观性)РClarity (明确性)Р科技文章一般不用意义含糊、会引起误解的词汇和表达方式。РEg. ?--in a couple of days?--in two or three daysРРClarity (明确性)Р在语法结构方面,科技文章里的句子一般都结构比较严密,条理比较清楚,很少有结构上模棱两可的情况。?Eg. ?There are many problems concerning the project to be discussed at the meeting. (可能产生歧义)?--将在会上讨论的计划,是有很多问题的。?--关于这计划,有许多问题要在会上讨论。РAccuracy (准确性)Р科技文章要求内容准确、结构严密、概念清楚。文字不必讲究华丽,但内容必须表达无误,体现出科技文章的科学、严谨的性质。?Eg. ?--a fraction of the whole?--a small part of the wholeРРFormality (正式性)Р科技文章的科学、严谨的性质,以及语言客观、明确、准确的特点,决定了其正式的文体风格。?cf. ?…is under reconstruction?…is being reconstructed