“直接驱动阀式作动器”的概念、定义、翻译、参考文献-科学参考

单词	直接驱动阀式作动器
释义	直接驱动阀式作动器 Encyclopedia 工学直接驱动阀式作动器释 direct drive valve actuator直接驱动阀式作动器采用直接驱动阀（direct drive valve，简称DDV）作为主控阀的作动器。
随便看	matrix ring matrix root matrix sampling matrix sampling design matrix semigroup matrix series matrix signature matrix solution matrix spectrum matrix splitting matrix splitting preconditioner matrix splitting preconditioning matrix splitting preconditioning (preconditioner) matrix square root matrix structural analysis matrix summation method matrix-supported fabric matrix sustained/controlled release preparations matrix symbol of an operator matrix theorem matrix theory matrix trace matrix transformation matrix transpose matrix tree theorem

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。