“试验机发展史”的概念、定义、翻译、参考文献-科学参考

单词	试验机发展史
释义	试验机发展史 Encyclopedia 理学〔飞机发展史〕释 history of research airplane试验机发展史试验机的发展历程。
随便看	police mental health police number police operational plan police parades police professional work police protection police protective equipment police psychological adjustment police psychological control police psychological crisis intervention police psychological evaluation software police psychological stress police psychological training police psychology police public relation activities police public relation propagation police public relation propagation communication police public relations police public relations consciousness police pursuit tactics police-related internet public opinion police resource scheduling police restriction belt police safeguards police safety culture

科学参考收录了854744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。