“海伦娜”的概念、定义、翻译、参考文献-科学参考

单词	海伦娜
释义	海伦娜 Encyclopedia 理学【一级行政区首府，重要城市】释 Helena海伦娜美国蒙大拿州首府。
随便看	Probit回归模型 problem problem analysis problem analysis model problematic problematical problem-based learning problem calculus problem centrality theory problem child problem complexity problem definition problem definition, analysis and explanation problem definition method problem-focued coping problem for determining solution problem frame problem frames method problem handling system Problem novels problem of a hundred chickens problem of allocation problem of brachistochrone problem of circumference in equal parts problem of construction with ruler and compass

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。