大写1.物理量单位的名称来源于人名的,其符号的第一个字母,如 Pa(帕),K(开),Wb(韦)2.化学元素符号的第一个字母,如 Ca(钙),Cu (铜),Si (硅)3·人的名字、父名和姓的第一个字母,如 Einstein,Albert;Gauss,C.F.;4.英文参考文献和目录中的书名、期刊名和论文题目等的每一个词(由少于4个字母组成的介词、冠词、连词等除外)的第一个字母(也可以只有第一个词的第一个字母大写,其余 Uppercase 1. The name of the physical unit comes from the name of the person whose first letter of the symbol, such as Pa, K (open), Wb 2. The first letter of a chemical elemental symbol, such as Ca ), Cu (copper), Si (silicon) 3. The first letter of a person’s name, parent’s name and last name, such as Einstein, Albert; Gauss, CF; 4. Title, periodical title and essay in English references and catalogs Title, etc. (except prepositions, articles, conjunctions and the like consisting of less than 4 letters) (or only the first letter of the first word may be capitalized, and the rest