“ancient land use”的概念、定义、翻译、参考文献-科学参考

单词	ancient land use
释义	ancient land use Encyclopedia 理学第四纪古生态释 ancient land use古土地利用在漫长的史前及历史时期，古人类为满足生产生活的需要，通过狩猎、采集、耕种、饲养和放牧等方式获取陆地生态系统动植物资源，影响地表覆盖的现象。
随便看	smooth number smooth object smooth partition smooth path smooth periodicity smooth pipe smooth point smooth potential smooth preparation theorem smooth quadratic form smooth scheme smooth semigroup smooth set smooth solution smooth space smooth sphere smooth square smooth structure smooth submanifold smooth support point smooth surface smooth system smooth test Smooth Traffic Project of City smooth transformation

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。