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

单词	ichthyostegalians
释义	ichthyostegalians Encyclopedia 理学两栖纲（化石）释 ichthyostegalians鱼石螈类一类原始的四足动物，代表了最早的陆生脊椎动物。
随便看	regional divergence regional division of villages and small towns in China regional division theory regional dynamic planning regional eco-compensation regional ecological assessment regional ecological carrying capacity regional ecological critical zones regional ecological effect regional ecological evolution regional ecological function regional ecological integrity regional ecological process regional ecological regulation regional ecological risk regional ecological security regional ecological sensitivity regional ecological vulnerability regional ecology regional e-commerce practice regional economic advantage regional economic conflict regional economic cooperation regional economic cooperation organizations regional economic development

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。