“Pre-Qin political system”的概念、定义、翻译、参考文献-科学参考

单词	Pre-Qin political system
释义	Pre-Qin political system Encyclopedia 法学先秦政治制度释 Pre-Qin political system先秦政治制度中国秦朝以前的政治制度。
随便看	optical multi-channel analyzer optical multimeter optical multiplexing optical multistability optical navigation sensor optical network parameter analyzer optical network unit，ONU optical non-destructive testing optical nonlinearities of condensed matter optical nonlinearities of organic material optical nutation optical object optical observation optical observation of satellite optical observation of space objects optical observatory optical orthogonal code optical orthogonal frequency division multiplexing transmission system optical outburst optical packet switching，OPS optical pair optical parallelism optical parameter optical parametric amplification optical parametric amplification and oscillation

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。