“portable verifying unit (PVU)”概念、定义、翻译-科学时代

单词	portable verifying unit (PVU)
释义	交通运输工程词汇手册 portable verifying unit (PVU) 便携式验票机
随便看	personal quality personal quality personal radio personal rate of substitution personal ratio personal record personal relationship personal relationship personal relief personal relief personal representative personal residence personal right personal right personal rights personal saving personal savings personal savings personal savings Personal savings rate personal sector personal sector liquid assets personal security personal self personal selling

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。