“自由活塞发动机”的概念、定义、翻译、参考文献-科学参考

单词	自由活塞发动机
释义	自由活塞发动机 Encyclopedia 工学自由活塞发动机释 free piston engine自由活塞发动机一次动力机械（内燃机或斯特林发动机）与二次动力机械（燃气轮机、压气机、液压泵和发电机）直接耦合在一体，利用非刚性传输介质（如气体、液体和电磁等）输出能量的一种特种发动机。
随便看	health promotion by physical activity/exercise health promotion model health protection of EMU driver and attendant health protection on Qinghai-Tibet Railway health psychology health qigong health related quality of life Health resource allocation method health revenue collection health risk assessment health risk assessment for site health risk assessment of EMF health risk factors appraisal health safety and environment management system health savings accounts health security system Health Service health service cost health service demand function health service informatization health serviceman health service market health service organization health service price health services research

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。