思维离不开逻辑 ,作为特殊思维活动的翻译更离不开逻辑。本文结合具体实例 ,从结构歧义句的翻译处理 ,概念等值以及语句逻辑关系等值等角度探讨了形式逻辑规律在科技英语翻译中的应用 Thinking can not be separated from logic, as a special thinking activities can not be separated from the logic of translation. Based on the concrete examples, this paper discusses the application of formal logic rules in English translation of science and technology from the perspectives of the translation processing of ambiguous sentences, the concept equivalence and the equivalence of sentence logic relations