“pencil of parallel lines”的概念、定义、翻译、参考文献-科学参考

单词	pencil of parallel lines
释义	pencil of parallel lines Mathematics pencil of parallel lines并行线束
随便看	Photographic Department of Xinhua News Agency photographic developer photographic effect photographic emulsion Photographic Encyclopedia of Traditional Beijing Opera Costumes photographic ephemeris photographic exposure photographic film photographic filter photographic filter socket photographic filter thread diameter photographic flying automatic control system photographic fog photographic gap photographic instrument photographic integration photographic latent image photographic layer photographic lens photographic lenses photographic light photographic light curve photographic lighting photographic magnetograph photographic magnitude

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。