“热河生物群”的概念、定义、翻译、参考文献-科学参考

单词	热河生物群
释义	热河生物群 Encyclopedia 理学古生物学释 Jehol biota热河生物群发现于中国河北北部、辽宁西部和内蒙古东南部的侏罗纪晚期至白垩纪早期的动植物化石群。
随便看	optical bleaching optical bleaching agent optical bleaching agent; fluorescent whitening agent optical branch optical breakdown optical brightness optical buffer optical burst optical burst switching，OBS optical cable optical camera optical camouflage optical cavity optical celestial navigation optical cement optical center optical ceramics optical chaos optical characteristics measurement optical character reader optical character reader, OCR optical character reader,OCR optical character recognition optical Chinese character recognition optical chip

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。