“苏铁目”的概念、定义、翻译、参考文献-科学参考

单词	苏铁目
释义	苏铁目 Encyclopedia 理学古植物学释 None苏铁目（化石）一类具有块状茎或矮柱状茎的乔木植物。理学裸子植物释 cycads苏铁目裸子植物的一目。
随便看	projective linear group projective line element projective line geometry projectively affine projectively connected manifold projectively connected space projectively deformable surface projectively extended real numbers projectively flat metric projectively flat space projectively flat structure projectively independent point projectively normal curve projectively trivial ring projective manifold projective mapping projective matrix projective measure projective mensuration projective method projective metric projective metric element projective metric space projective minimal surface projective model

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。