“urban-rural gradient”的概念、定义、翻译、参考文献-科学参考

单词	urban-rural gradient
释义	urban-rural gradient Encyclopedia 理学〔城市生态学基本概念〕释 urban-rural gradient城乡梯度生态系统的要素、结构、过程、功能和服务从城市到乡村逐渐变化的趋势。是城市逐步向外扩张形成的空间格局。
随便看	fishery finance fishery folk custom culture fishery freezing equipment fishery genetic diversity fishery governance measures fishery habitat diversity fishery in Africa fishery industry policy fishery information resources fishery information systems fishery instrument fisheryinvasive species fishery law fishery loans Fishery Machinery and Instrument Research Institute fishery maintenance facility fishery management fishery management measures fishery maximum economic yield fishery maximum sustainable yield，MSY fishery mechanical fishery meteorology Fishery Modernization fishery mothership fishery optimum sustainable yield

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。