“ectoderm”的概念、定义、翻译、参考文献-科学参考

单词	ectoderm
释义	ectoderm Encyclopedia 理学外胚层释 ectoderm外胚层早期胚胎最靠外的胚层，在原肠胚形成结束时位于胚胎的外层或者覆盖在胚胎的外表面。 Biology ectoderm外胚层
随便看	negative side negative sign negative skewness negative skin friction of piles negative spinor negative stable matrix negative staining negative strand negative stress negative subspace negative supercoiling negative surface energy negative system of roots negative temperature negative temperature coefficient negative term negative thermal expansion negative thermal expansion material negative thixotropy negative transitivity negative uniaxial crystal negative value negative variation negative variation of a function negative variation of signed measure

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。