“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	convex body convex-body theorem convex broken line convex cell convex circled set convex closed curve convex closed set convex closure convex closure of a saddle function convex closure of a saddle-function convex closure of saddle function convex combination convex-compact mapping convex-complex space convex-concave convex concave function convex-concave function convex-concave mapping convex cone convex constraint condition convex cooperative game convex core convex curve convex decomposition convex domain

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。