“aircraft lifetime”的概念、定义、翻译、参考文献-科学参考

单词	aircraft lifetime
释义	aircraft lifetime Encyclopedia 工学〔规范〕释 aircraft lifetime飞机寿命飞机从制造完成到最后终止飞行经历的时间期限。常用飞行小时、起落次数和日历寿命表示。
随便看	plant hormones plant immune activator planting planting and breeding in paddy planting arrangement of fruit trees planting density planting engineering of landscape architecture planting in rows planting machinery planting non-point source pollution planting production statistics planting season planting soil planting spacing planting system planting technique Planting the Millet planting zoning plant innate immunity plant in Tang poetry plant in The book of poetry plant ionomics plant iron deficiency symptom plant iron toxicity plant kingdom

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。