“Straight Road of Qin Dynasty”的概念、定义、翻译、参考文献-科学参考

单词	Straight Road of Qin Dynasty
释义	Straight Road of Qin Dynasty Encyclopedia 历史学〔其他遗址〕释 Straight Road of Qin Dynasty秦直道遗址秦始皇三十五年（公元前212）令蒙恬率三十万大军兴建的连接关中与北方草原地区的交通纽带，也是支援北方长城沿线地带军事防务的运输线，与长城共同构成了秦朝北疆的防御体系。
随便看	photocathode photocell photocenter photocentric orbit photoceramics photochemical photochemical action photochemical aerosol photochemical aging of polymer photochemical asymmetric synthesis photochemical cell photochemical cis trans isomerization photochemical cis-trans isomerization photochemical detector photochemical dose photochemical effect photochemical efficiency photochemical equivalence law photochemical etching photochemical induction photochemical isomerization photochemical molecular device photochemical oxidant photochemical oxidants photochemical pollution

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。