“杂环化合物”的概念、定义、翻译、参考文献-科学参考

单词	杂环化合物
释义	杂环化合物 Encyclopedia 理学杂环化合物释 heterocyclic compound杂环化合物具有环状结构的一类有机化合物，构成环的原子除碳原子外，还至少含有一个杂原子，包括氧、硫、氮等。 Chemistry ＞有机化学＞有机化合物＞释义 heterocyclic compound杂环化合物
随便看	quadratic law quadratic logarithm quadratic loss function quadratic magnitude term quadratic map quadratic mapping quadratic mean quadratic measure quadratic module quadratic non-residue quadratic non-residue modulo m quadratic optimization quadratic performance index quadratic phase array quadratic polynomial quadratic programming quadratic programming problem quadratic rate of convergence quadratic rate of increase quadratic reciprocity quadratic reciprocity law quadratic reciprocity theorem quadratic recurrence equation quadratic representation quadratic residue

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。