Three Range-related Issues in Sci-Tech Periodicals
Xiang Yang-jie · Journal of Jishou University · 2010
The use of the punctuation marks ～and — in sci-tech periodicals must be standardized.The punctuation mark ～ is used to reflect the number range,and —is used to join place names or location nouns.In English papers,the range of serial number is expressed by en dash - or by from…to….When describing the range of variable value,if there exist two variables in the same value range,then it is briefer to use the mathematical operators respectively or the symbol of interval.