“helicopter ground resonance design verification test”的概念、定义、翻译、参考文献-科学参考

单词	helicopter ground resonance design verification test
释义	helicopter ground resonance design verification test Encyclopedia 工学〔直升机地面试验〕释 helicopter ground resonance design verification test直升机地面共振设计验证试验通过直升机机体在起落架上的振动测定机体在桨毂中心处频响函数的试验。
随便看	positive semi-definite quadratic form positive semi-definite rational function positive semigroup positive semiorbit positive semi-trough positive sense positive sense single-stranded RNA virus positive sequence positive series positive side positive sidelight positive sign positive skewness positive solution positive species interaction positive spinor positive staining positive strain energy positive strand positive subspace positive supportive reaction positive (symmetric) operator positive symmetric operator positive system of roots positive term

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。