“刻痕”概念、定义、翻译-科学时代

单词	刻痕
释义	力学词汇手册刻痕 notch; score; scratch
随便看	perpetuity perpetuity perpetuity perpetuity perpetuity perpetuity perpetuity perpetuum mobile perphenazine perplexity PER (price-earnings ratio) perquisite perquisite perquisite perquisite perradii perradius perradius per rectum per risk excess of loss reinsurance perron Perron-Frobenius theorem Perron method perrottetia perry

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。