“转速计”概念、定义、翻译-科学时代

单词	转速计
释义	矿业工程技术词汇手册转速计 revolution counter；tachometer
随便看	positive time preference positive tolerance positive transfer positive transfer positive transfer positive transparence positive unconscious positive value positive variance positive variation of a signed measure positive wave positive Weissenberg effect positive-working photoresist positive-working plate positive（symmetric）operator positivism positivism positivism positivism positivism positivism positivism positivism positivist positivist

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。