“periodic sound”的概念、定义、翻译、参考文献-科学参考

单词	periodic sound
释义	periodic sound Encyclopedia 文学声学语音学释 periodic sound乐音发声体规则振动时产生的声音，听感和谐悦耳。与噪音相对。
随便看	mean-value theorem mean-value theorem of differentials mean-value theorem of integrals mean value theorems mean-variance model mean vector mean velocity mean wavelength mean wind Meara vocabulary acquisition model mear infrared remote control device mear solar year measles measles vaccine measles virus measurability measurable measurable cardinal measurable cardinal number measurable cascade measurable decomposition measurable dynamical system measurable envelope measurable event measurable field

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。