英文标题,包括书刊名称,论文篇名,文内各级标题和图、表的标题,以及文后参考文献的标题等,是英文科技书刊和论文必不可少的一个组成部分。英文标题可以是一个完整的句子,如“Controlled—release fertilizers affectnitrate nitrogen runoff form container plants”(篇名,见 HortTechnotogy,1993,3(2):174);也可以是一个短语,如“Life on land inthe Precambrian”(篇名,见Science,1994, English titles, including the title of books and periodicals, the title of papers, the titles and diagrams at all levels of the text, the title of the tables and the titles of references in the texts, are all indispensable components of English science books and essays. The English title can be a complete sentence, such as “Controlled-release fertilizers affect nitrate nitrogen runoff form container plants” (HortTechnotogy, 1993, 3 (2): 174); or a phrase such as “Life on land Inthe Precambrian ”(in Science, 1994,