The term may refer to addition so that 3 + 5 may be read as ‘3 plus 5’. The term may also refer to positive quantities and excess quantities as with ‘the temperature was 30 plus’, which means that the temperature was at least 30.
科学参考收录了60776条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。