“marginal land”的概念、定义、翻译、参考文献-科学参考

单词	marginal land
释义	marginal land Encyclopedia 经济学边际土地释 marginal land边际土地在一定的生产条件下，土地生产收益正好足以补偿所需费用（包括开垦土地的垫付费用和投资，以及生产过程中的各项生产费用）的土地。是西方土地经济学研究分析土地利用水平时常用的概念。
随便看	invite public bidding and procurement inviting in vitro in vitro analysis in vitro bank in vitro bioassay of drug in vitro culture preservation of plants in vitro diagnostics in vitro drug metabolic analysis in vitro fertilization in vitro genebank in vitro mammalian cell chromosomal aberration test in vitro metabolism in vitro protection of Chinese materia medica resources in vitro radioassay in vitro radioassay technique in vitro radio-immunity instrument in vitro transcription in vitro translation in vivo in vivo activation analysis in vivo analysis in vivo bioassay of drug in vivo gene therapy in vivo imaging

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。