“train advertisement”的概念、定义、翻译、参考文献-科学参考

单词	train advertisement
释义	train advertisement Encyclopedia 文学户外广告释 train advertisement火车广告在火车车厢内设置发布或铁路运输服务过程中向乘客进行传播的广告形式。
随便看	focal curve focal developable surface focal distance focal distance, focal length focal ellipse focal extender focal hyperbola focal image focalization focalizer focal length focal length factor of photographic lens focal length measurement of optical part and optical system focal line focal manifold focal mechanism focal mechanism solution focal mechanism solution parameters focal net focal pair focal parameter focal plane focal plane array focal-plane array focal plane array infrared seeker

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。