“双音”的概念、定义、翻译、参考文献-科学参考

科学参考收录了1248194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。

单词	双音
释义	双音 diphonia
随便看	variable-speed motor variable-speed planer variable-speed pump variable-speed scanning variable-speed shaft variable speed transmission bearing variable-speed turbine variable-speed unit variable-speed wheel gear variable spring variable spring hanger variables sampling variable stage variable standard variable standardization variable star variable stator blade variable stator vane variable step size variables test variable stop variable stroke control variable stroke engine variable stroke plunger pump variable-stroke pump