“城镇体系”的概念、定义、翻译、参考文献-科学参考

单词	城镇体系
释义	城镇体系 Encyclopedia 工学总论释 urban system城镇体系在一定地域范围内，以中心城市为核心，由一系列不同等级规模、不同职能分工、相互密切联系的城镇组成的有机整体。
随便看	material characteristic material civilization material cladding Material Construction Plan for Tianjin Special Municipality City material conversion efficiency material culture material cycle of forest material cycle of water ecosystem material dependent society material depot material derivative material derivative method material dispersion material electrochemistry material epitaxy for semiconductor lighting material equivalence material ethics of value material extrusion forming material field material flow analysis material flow cost accounting material for oil adsorption from water material for opera costumes material for operation and service of motor vehicle material for reactor control

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。