“armed helicopter”的概念、定义、翻译、参考文献-科学参考

单词	armed helicopter
释义	armed helicopter Encyclopedia 工学直升机释 armed helicopter; attack helicopter武装直升机装备有机载武器系统，专用于攻击地面、水面、水下及空中目标的军用直升机。又称攻击直升机。
随便看	period of submergence tolerance period of translations periodogram periodogram analysis periodogram detector periodogram spectrum estimation periodograph periodometer periodontal abscess periodontal abscesses periodontal disease periodontal disease and system diseases periodontal treatment agent periodontitis period pair period parallelogram period parallelotope period point period-radius relation period ratio period relation period resolution periods of an elliptic curve period-spectrum relation period strip

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。