“胡焕庸线”的概念、定义、翻译、参考文献-科学参考

单词	胡焕庸线
释义	胡焕庸线 Encyclopedia 法学人口分布释 population distribution laws胡焕庸线 1935年,中国地理学家胡焕庸提出的关于划分中国人口密度的一条人口地理分界线。
随便看	boundary-contraction method boundary control boundary correspondence boundary correspondence theorem boundary curve boundary cycle boundary data boundary diffraction boundary [diffraction] wave boundary diffraction wave boundary diffusion boundary discipline boundary distortion boundary effect boundary element boundary element design boundary element method boundary element method, BEM boundary element method of electromagnetic field boundary elements boundary error boundary estimate boundary-fault boundary flow boundary form

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。