“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	aircraft vibration test aircraft waterproofness test aircraft weapon system lab release&fire test aircraft wing structure aircreft fastener joint allowable test aircrew aircrew coordination training aircrew escape system aircrew fatigue air-cured air curtain air-cushion blanket air-cushion craft air cycle cooling system air cycle machine air cylinder air damped balance air-damped balance air data calibration technique air data measurement air data system air defence works design air defense early warning system air defense identification zone air-defense missile system

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。