“永冻层次”的概念、定义、翻译、参考文献-科学参考

单词	永冻层次
释义	永冻层次 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。
随便看	precious metals for crucible material precious metals for electrical contact precious metals for jewelry precious metals for sensor precious metals for temperature measurement precious metal shape memory alloy precious metals metallurgy precious metals pharmaceuticals precious metal target materials Precious Mirror Precious Mirror for Health Precious Mirror of Painting preciousness of life precious stone precious wild animals precipated calcium carbonate precipitability precipitable precipitable water vapour precipitant precipitate precipitation precipitation amount in China precipitation bias scores precipitation change experiment

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。