“historical and cultural sites under government protection “four haves””的概念、定义、翻译、参考文献-科学参考

单词	historical and cultural sites under government protection “four haves”
释义	historical and cultural sites under government protection “four haves” Encyclopedia 历史学文物保护单位管理释 historical and cultural sites under government protection “four haves”文物保护单位“四有” 中国对文物保护单位进行科学管理的一项基础工作。
随便看	amplitude modulation and demodulation amplitude modulation double side band amplitude modulation plough amplitude modulation radio amplitude modulator amplitude non linearity amplitude non-linearity amplitude nonlinearity amplitude object amplitude of a complex number amplitude of a function amplitude of alternating current amplitude of an elliptic integral amplitude of an oscillation amplitude of a wave amplitude of low frequency fluctuations amplitude of wave amplitude principle amplitude probability distribution amplitude reflectivity amplitude relation amplitude shift keying amplitude shift keying, ASK amplitude-shift keying modulation and demodulation amplitude sine

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。