“film grading system”的概念、定义、翻译、参考文献-科学参考

单词	film grading system
释义	film grading system Encyclopedia 法学性社会学释 film grading system电影分级制权威部门根据一定原则对电影划分的级别。
随便看	pulse electrochemical machining pulse energy pulse excitation pulse excitaton pulse extraction column pulse fiber laser pulse flame photometric detector pulse flame photometric detector (PFPD) pulse flip angle pulse fogger pulse frequency pulse frequency meter pulse front tilt pulse function pulse generation mechanism pulse generator pulse increment interpolation pulse input method pulse intensity pulse interval pulse inversion pulse ion extraction pulse ion extraction (PIE) pulse ionization chamber pulse jitter

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。