科技期刊中常用的连字线有半字线、一字线和二字线。在印刷出版行业中分别称为对开线、全身线和双连线。目前 ,连字线不论在作者的来稿中 ,或在刊物上应用比较混乱 ,常常出现随意选用的现象。为了使大家能正确使用 ,在此介绍一下几种连字线的用法。1 半字线“ ”半字线 (又称连 Hiragana often used in scientific journals have half word line, one word line and two word line. In the printing and publishing industry were called split line, body line and double connection. At present, the hyphenated lines are often confused with random selection both in the authors’ contributions and in the journals. In order to make everybody use correctly, we will introduce the usage of several hyphenated lines. 1 half word line “” half word line (also known as even