“piston powered airliners”的概念、定义、翻译、参考文献-科学参考

单词	piston powered airliners
释义	piston powered airliners Encyclopedia 理学〔飞机发展史〕释 piston powered airliners活塞式民航机以活塞式发动机（汽油机）为动力的民航机（客机）发展简况。
随便看	economic take-off economic territory economic threshold economic transport air velocity economic trial economic types of agriculture region economic types of pastoralism economic ultimate recovery Economic Value Added economic value of water resources economic zone Economic Zone on the west side of the Straits economization economized rational approximation economizer economizer damage economizer hanger tube economy Economy and Society economy circuit Economy, Environment and Equity model economy informatization economy in the revolutionary base areas economy of capitalism in Holland in the 17th century economy of North America in the colonial era

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。