“promeristem”的概念、定义、翻译、参考文献-科学参考

单词	promeristem
释义	promeristem Encyclopedia 理学〔植物形态与结构〕释 promeristem原分生组织位于根、茎生长点的最顶端，直接从胚胎保留下来未分化和具持久分裂能力的细胞群。 Biology promeristem原分生组织；前分生组织
随便看	nonnegative integral kernel nonnegative manifold nonnegative matrix non-negative matrix factorization nonnegative measure nonnegative number nonnegative operator nonnegative orthant nonnegative partial sum nonnegative quadratic form nonnegative semi-definite matrix nonnegative solution nonnegative splitting nonnegativity nonnegativity condition nonnegativity requirement non nesting matching non-nesting matching nonnesting matching non nesting partition non-nesting partition nonnesting partition non neutral plasma non-neutral plasma nonneutral plasma

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。