“中国的古冻土”的概念、定义、翻译、参考文献-科学参考

单词	中国的古冻土
释义	中国的古冻土 Encyclopedia 理学中国的古冻土释 paleo-permafrost in China中国的古冻土中国有确切年代证据的古冻土遗迹的最早时期约为距1950年之前的15万年。绝大多数冻土遗迹是晚更新世寒冷期以来的，对恢复古冻土和古地理环境十分关键。
随便看	involution algebra involutional system involution axioms involution condition involution curve involution form involution net involution of a composition algebra involution of a division ring involution of a group involution of an algebra involution of a ring involution of forms involution of lines involution of planes involution of points involution point involution principle involution representation involutive involutive algebra involutive automorphism involutive Banach algebra involutive correlation involutive distribution

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。