“instruction book”的概念、定义、翻译、参考文献-科学参考

单词	instruction book
释义	instruction book 说明书
随便看	period parallelogram period project period range period-redius relation period regulator period resolution period section steel period shut-down period-spectrum relation periods per second periodynia perionychia perionychium perionyxis perioophoritis perioophorosalpingitis perioothecitis perioothecosalpingitis perioral perioral cyanosis periorbit periorbita periorbital periorbititis periorchitis

科学参考收录了1248194条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。