“Public English Test System”的概念、定义、翻译、参考文献-科学参考

单词	Public English Test System
释义	Public English Test System Encyclopedia 文学〔英语考试〕释 Public English Test System；PETS全国英语等级考试中国教育部主管的一项全国性标准化社会性考试。
随便看	orbit optimization orbit-orbit resonance orbit perturbation orbit plane orbit prediction orbit-preserving orbit propagation orbitrap orbitrap mass spectrometry orbit recursion orbit representative orbit resonance orbitron orbit-rotation resonance orbit space orbit stability orbit-stable limit cycle orbit-superposition method orbit theory orbit, trajectory orbit transfer orbit type orcein orcelite orchard establishment

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。