“zero defect”概念、定义、翻译-科学时代

单词	zero defect
释义	力学词汇手册 zero defect 无缺陷
随便看	porringer porro Porro Porro-Koppe principle Porro-Koppe principle Porro prism port port port port port port port port port port portability portability portability portability portable portable portable batch system portable battery portable blackboard

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。