“古羊齿目”的概念、定义、翻译、参考文献-科学参考

单词	古羊齿目
释义	古羊齿目 Encyclopedia 理学古植物学释 None古羊齿目前裸子植物的一目。晚泥盆世森林中真正的木本树蕨，高达10～30米，直径1.6米左右。北半球常见。
随便看	network site, net site network situation visualization network size network sniffer Networks of Power:Electrification in Western Society，1880-1930 network software Network Songs network spider network spoofing network sports organizations network storage system network structure network survival network synchronization network synthesis network system of measurement and control network system reliability network teaching platform network teaching system network technique network technology law network text analysis network theory network thesaurus network time service

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。