“permafrost layer”的概念、定义、翻译、参考文献-科学参考

单词	permafrost layer
释义	permafrost layer Encyclopedia 农学永冻层次释 permafrost layer永冻层次土壤圈中持续多年常年土温≤0℃、处于冻结状态的层次。包括土壤或岩石，以及冰或有机物质。 Astronomy permafrost layer永冻层
随便看	infinite continuous group infinite convex body infinite cosine product integral infinite covering infinite cycle infinite dam infinite decimal infinite decimal expansion infinite derivative infinite descent infinite determinant infinite differentiability infinite dimension infinite-dimensional infinite-dimensional analog infinite-dimensional analysis infinite-dimensional ball infinite-dimensional bicompactum infinite-dimensional complex infinite-dimensional group infinite-dimensional holomorphy infinite-dimensional Lie algebra infinite-dimensional Lie group infinite-dimensional linear space infinite-dimensional manifold

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。