“positive lens”概念、定义、翻译-科学时代

单词	positive lens
释义	核科学技术词汇手册 positive lens 正透镜
随便看	mature stage mature stand mature student mature timber mature tissue mature tree mature wood mature wood cutting maturing maturing maturing maturing agent maturing agent maturing cheese maturing liabilities maturing liabilities maturity maturity maturity maturity maturity maturity maturity maturity maturity

科学时代收录了1160609条科普词条，基本涵盖了常见科普常识及英语词汇的翻译，是科学学习和研究的有利工具。